Handle Big Data With Big Bandwidth

We are said to be entering the age of big data. Just what is big data, why is it different than any other type of data, and what are the ramifications of having big data on our networks?

Big data is exactly what it sounds like. It refers to datasets that are so huge that they overwhelm normal database management tools. We’re not talking megabytes or gigabytes here. Those are easily handled by off the shelf tools. Big data is terabytes, petabytes, exabytes and zettabytes. If you don’t know what those are, just know that each named step up in size represents an increase of 1,000 times.

Where is all this big data coming from? It’s not the sort of thing you generate typing on your PC. Big data comes from computer generated simulations, process and financial modeling, research projects and sensor data acquisition and processing. Computer animation and video processing in high definition and beyond can spit out terabytes faster than you know what to do with them.

What is all this big data going to do to your network, especially your WAN network? Check out this video from Level 3 Communications to get a feel for what’s on the way and how you can deal with it...



As you can see, WAN bandwidth is likely to be the big choke point for big data. It’s because we’re used to dealing with relatively small files and modest applications such as video conferencing and VoIP. We're also used to handling incremental growth in bandwidth needs by scaling up bandwidth services we are already using.

Big data is going to change that. Instead of incremental change, we’re talking step changes. Bonding more T1 lines or moving up to a DS3 service isn’t going to do the trick. You’ll need fiber, and likely a fiber optic solution that has a lot of room for growth.

Fortunately, there a lot more fiber options available today than even a short while ago. These include Ethernet over Fiber to 1 Gbps, 10 Gbps and even 40 Gbps. Carrier core networks are now moving to 100 Gbps as quickly as they can. Other options include wavelength services over Dense Wavelength Division Modulation (DWDM) at up to 10 Gbps per wavelength and dark fiber that you can light yourself.

Are you feeling the pinch of too little WAN bandwidth right now, or see it coming in the near future? If so, this is a good time to check out your options from carriers that have the capacity to support your big data network needs. Get competitive fiber optic bandwidth options and prices for whatever capacity your business needs.

Metro Ethernet vs MPLS Networking

In addition to dedicated Internet access, many companies also need point to point private lines and/or multipoint network connections. The classic way to accomplish this has been to lease private lines to create your own wide area network setup. There are two other methods available that can give you the same results for considerably less cost.

Metro Ethernet service has been seen as a way to get point to point connections in town at a lower cost than leasing dedicated line services, such as DS3 or OC3. This service is called E-Line or Ethernet Line. It’s is standardized by the MEF (Metro Ethernet Forum) so you can compare E-Line services from multiple vendors and know that you are getting the same product.

What’s the difference between ordering an E-Line connection at 50 Mbps versus a DS3 dedicated line at 45 Mbps? When you order a dedicated line, you can envision having a pair of wires going from your headquarters, through a cross-connect at the telco central office and then out to your branch office. That’s probably true for a T1 line provisioned on two twisted copper pair. When you get into DS3 and higher bandwidths, your connection will probably be carried via SONET fiber optic service using an add/drop multiplexer. Along the way, your signal will be traveling with many other who share the same fiber strand.

Here’s what’s important: Unless you actually go out and construct or lease the copper or fiber transmission medium, you are using a shared or multi-tenant service. It’s true with Metro Ethernet and MPLS Networks. It’s also true with dedicated line services. The difference is that MPLS and Metro Ethernet are packet switched networks while T-Carrier and SONET services are circuit switched. With circuit switching, the circuit is used only for your traffic on a single path that is “nailed up” for the time you hold the lease. With packet switching, other traffic can share common paths through the network. That does two things. It lowers the price of the service and it makes some additional services possible.

Metro Ethernet has both an Ethernet Private Line and Ethernet Virtual Private Line service available. The virtualization means that you only need to install one Carrier Ethernet port to have connections with two or more locations. The actual physical line is shared among your own traffic. You may have ten or more branch offices, retail stores or other locations in town. With EVPL you can have point to point connections to many locations coming in through one UNI (User Network Interface).

Here’s another service you can get with Metro Ethernet. It’s called E-LAN or Ethernet LAN service. This is a meshed network that lets many locations all communicate without going through a single point. E-LAN is popular for interconnecting a company’s many independent LANs in the same geographical area. This can be done at the layer 2 level so that the entire network looks like one giant bridged network.

Interconnecting multiple locations is also the domain of MPLS or Multi-Protocol Label Switching networks. Many of these have regional, national or even international service footprints so that all of your far flung locations can interact on the same network. MPLS may be the solution of choice for covering geographical areas larger than a single city and its suburbs. MPLS can also be used to create point to point connections for only two locations. When those locations are located on opposite coasts or in different countries, MPLS can be a better deal than Ethernet Line service or point to point dedicated line services.

Since Ethernet and MPLS services overlap to some extent, what criteria do you use to make a choice? I’d recommend getting price quotes for these, plus dedicated lines, and comparing the total lease cost for the same bandwidth and other requirements. You can get networking bandwidth quotes from multiple service providers quickly and easily using the GeoQuote tool. In fact, many line services to 1 Gbps quote automatically online.

EarthLink Means Business With 10 GigE Fiber

Most of us remember EarthLink from land rush days of the Internet when anyone and everyone just had to get on the net now, and dial-up 56K service was the best you could get. EarthLink is still a viable ISP for consumers with both dial-up and broadband access available. But there’s another side to this famous company. EarthLink Business is a facilities-based competitive carrier serving everything from SMB to enterprise needs with over 28,000 miles of fiber installed and more in the works. They’re in the process of installing two new 10 Gigabit Ethernet fiber rings in Ohio and Eastern Pennsylvania. There’s also a new high speed fiber route going in between Philadelphia and Pittsburgh.

What’s with all the new high-bandwidth construction by EarthLink and others? In case you haven’t heard, business is automating like crazy and heading to the cloud. The enduring slowdown in economic expansion has given corporations a chance to re-examine their operations and re-engineer for what they’ll need in the future. One thing they’ve found is that office automation can be as big an enabler of employee productivity as the factory automation of decades past. That means more computers, more processing and more communication between business sites, vendors, customers and remote employees. Any business that has outsourced overseas has found that a key to making this work efficiently is to tie together the far flung operations as if they were right next door. You can’t do that physically, of course, but you can do it virtually if you have the right networking.

The cloud is also seen as a game changer in a world where it’s hard to predict what resources you’ll need next season or even next month. Traditional in-house data center construction is a capital and time intensive approach. If what you are doing will run just as well in a remote data center, you gain the advantages of avoiding capital investments and buying what you need by the moment with the knowledge that additional resources are always available when you need to scale up. Scaling up is the expected path as a company grows over the years. Now you have the option to scale up and scale down as business fluctuates so you never have idle resources running up expenses.

The one thing that process automation, outsourcing and cloud operations have in common is that they are bandwidth intensive. That bandwidth was fairly easy to come by when everything was on your local network. Now you need the same big conduit going between cities, across the country and perhaps overseas.

SONET is the proven core network technology for fiber optic WAN networks. You can certainly run legacy OC3, OC12 and OC 48 fiber optic connections for your business connectivity. But today it’s Ethernet services that are hot. No problem. Ethernet runs over SONET just fine. In fact, many advertised Ethernet fiber optic networks are really running SONET at their core. OC-192 is a good match for 10 Gigabit Ethernet, with a special WAN-PHY protocol designed especially to transport 10 GigE on a OC-192 optical carrier.

EarthLink is expanding their nationwide fiber network and their suite of business telecom services that include MPLS networking, full and fractional DS3, EVDO 3G wireless, SIP trunking and Metro Fiber Ethernet. They added three new data centers in Rochester, NY, Marlborough, MA and Columbia, SC with 10 Gigabit fiber rings connecting each location to the network backbone. Such high bandwidth connections allows them to offer real time data replication and cloud services to interested companies.

Is your business re-engineering for higher productivity and more agile operations? If so, you may benefit from some of the new cloud services and high bandwidth network connections that have become recently available. Even your current operations can cut costs while retaining the same performance with competitive telecom services.

Disruptive Metro Ethernet over Fiber Pricing Arrives

Ethernet over Fiber (EoF) has been gaining popularity with large organizations as a replacement for more expensive SONET fiber optic services. For smaller and medium size companies, the mere mention of the term “fiber” suggests pricing that is way over budget. Today that’s all changed. The era of affordable fiber optic bandwidth has arrived.

What’s responsible for prices per Mbps or Gbps that can be half of what you’d expect to pay or less? It’s a source you would never expect... Cable TV. Cable? Isn’t that for consumers?

Yes it is. But behind the scenes there’s another Cable network you probably didn’t know even existed. It’s a professional fiber optic core network that’s the equal of any carrier and with a service footprint larger than most.

When we think of Cable TV, we think of the coaxial wire that plugs into a set top box or cable modem. At one time, all cable networks were constructed almost completely of copper coax strung on poles around town and trenched through the back yard. That was the era of Analog Cable. What’s happened over the years is that this network architecture has evolved into a combination of fiber optic and copper called HFC or Hybrid Fiber Coax that supports the newer digital services.

HFC uses fiber optics for the long runs that bring service into a business or residential neighborhood. It also runs between cities for large Cable MSOs (Multi-System Operators) like Comcast. Most of the traffic on that fiber is television video, but there is so much bandwidth available that it also easily transports data from 10 Mbps on up to 10 Gbps.

Comcast has recognized that their nationwide network runs past businesses as well as consumers. Many smaller businesses take advantage of the excellent pricing on Cable broadband brought in on coaxial cable to a cable modem. It’s quite possible to get 50 Mbps or even 100 Mbps asymmetrical shared bandwidth for the same pice as a T1 line.

Asymmetrical means that the download speed is much higher than the upload speed. Typically that’s a 10x bandwidth difference. This is common for Internet access, but different from business telecom services that are generally symmetrical or the same speed for both upload and download.

Comcast’s Ethernet over Fiber bandwidth services are symmetrical and intended for Enterprise applications. There are 4 services you’ll be interested in. They are Ethernet Dedicated Internet (EDI), Ethernet Private Line (EPL), Ethernet Virtual Private Line (EVPL) and Ethernet Data Network / Meshed Network (EDN). All of these services are available in bandwidths from 10 Mbps to 10 Gbps.

Ethernet Dedicated Internet gives you the Internet access you need to support large employee user bases and connectivity with customers worldwide. Dedicated means that the bandwidth you order is always available for your use. That differs from shared bandwidth that is common for consumer services and wireline cable modems.

Ethernet Private Line (EPL) is a point to point connection service. You may be using T1 lines for linking two business locations now and wishing you had more bandwidth. EPL using Ethernet over Fiber can give you the higher bandwidth you need immediately with nearly unlimited growth potential for the future.

Ethernet Virtual Private Line (EVPL) is another Ethernet private line service. It is similar to EPL, but allows multiple Ethernet services on the same physical line and UNI (User Network Interface). These come in on EVCs or Ethernet Virtual Connections. What the virtualization does is let you run Ethernet Private Lines out to each of several business locations without having to pay for multiple fiber or wireline terminations at headquarters.

Ethernet Data Network / Meshed Network (EDN) lets you establish a large Metro or Wide Area Network to interconnect LANs for your branch offices or other business locations. As a meshed network, you have any to any connectivity. This is similar to might set up with a Frame Relay or MPLS network.

Are you ready for fiber optic bandwidths but not fiber optic service prices? Depending on locations, you may be in position to benefit from the enormous cost advantage of HFC based Ethernet over Fiber bandwidth services. Get pricing and availability before you sign up for anything else.

Fiber Buildings Offer High Bandwidth

Are you looking to increase your bandwidth connections from the low to medium speeds you can get delivered over twisted pair copper or fixed wireless, on up to the high speeds available only over fiber optic cabling? Would you like to do that while avoiding the often prohibitive construction cost of bringing in new fiber service? Then what you need is a fiber building.

In this case, a fiber building isn’t one that’s made out of carbon fiber construction or anything exotic like that. Fiber doesn’t refer to the construction materials of the structure itself. It refers to the type of telecom services already installed. A fiber building is one that already has fiber optic service brought in and operating. That’s why you often hear them referred to as fiber lit buildings. Lit means that there is laser light shining down those fiber strands and carrying digital payloads.

So, how do you find a fiber building? Peeking in windows after dark won’t work and will probably get you in trouble. You could start calling all the office and industrial buildings in the area and mark the lit building locations on a map. Or you can take the easy approach and use an automated online tool that will do all that legwork for you. It’s called the “Lit Building Locator.” You simply enter the street address of the building you are in now and you’ll get a map of lit buildings in the area and how far they are from you.

The most popular fiber optic bandwidth service being requested now is Metro or Carrier Ethernet. The beauty of Ethernet is that it is the same protocol that you are already running on your corporate LAN. That makes interfacing very easy. Fiber optic Ethernet services include Fast Ethernet at 100 Mbps, Gigabit Ethernet (GigE) at 1,000 Mbps and 10 Gigabit Ethernet (GigE) at 10,000 Mbps. In some cases 40 Gigabit Ethernet is also available for the most demanding applications.

You should be aware that there is another type of fiber optic service that is also installed in “lit” buildings. This is the traditional telecom service called SONET for Synchronous Optical NETwork. Bandwidth services include OC-3 at 155 Mbps, OC-12 at 622 Mbps, OC-24 at 1.2 Gbps and OC-48 at 2.4 Mbps. Higher speeds include OC-192 at 9.95 Mbps that is compatible with 10 GigE WAN-PHY and OC-768 running at 40 Gbps.

Which fiber service should you choose? There may or may not be a choice. Once a fiber service is brought into a building, competing services generally choose other buildings to light up. Any particular building may be lit for SONET or Ethernet. There is a service called Ethernet over SONET, including 10 GigE WAN-PHY, that can give you the protocol you want even if your building is set up to legacy telco standards. Another reason that customers are asking for Ethernet is that it tends to be less expensive per Mbps than SONET services, where available.

Are you looking for more bandwidth? Why not check for fiber buildings and see if yours or one nearby is lit? If close, you may be able to get a carrier to make the necessary installation with no or discounted construction costs if you will be ordering a high bandwidth level. Perhaps you can find other tenants and pool your request to make the installation even more attractive.



Note: Photo courtesy of Diego Silvestre on Wikimedia Commons.

Will You Save With Fractional Line Services?

If you need and want professional-grade telecom line services but don’t need the full line rates, can you save by ordering fractional rates? Conventional wisdom says yes. Reality may be different.

The idea behind fractional bandwidth is that it ought to be cheaper to buy less than the full line rated bandwidth. For instance, the smallest line service you can generally get with dedicated bandwidth and a service level agreement is the T1 line. These used to be very expensive and cost over $1,000 even in metro areas. At the same time, bandwidth demands in many smaller companies weren’t all that high. Something like 500 or 750 Kbps was plenty for email and text file transfers. Seemed a shame to have to pay for 1.5 Mbps and not make full use of it.

That’s where the idea of fractional T1 lines came from. If you don’t need and can’t afford 1.5 Mbps, then why not order a T1 line but only have it deliver a fraction of the full bandwidth? There should be a cost savings, since the service provider didn’t need as large a backbone network to serve many customers who are only running fractional T1 lines.

Well, yes and no. It’s true that Internet access has a port cost of so much per Mbps. But what about point to point dedicated lines? Is there really any savings to throttling back a line that’s used for only one customer? Plus there is the basic cost of the line itself. A T1 line runs synchronously at 1.544 Mbps whether it is carrying any traffic or not. That’s the basic technology. The pipe, if you will, has a certain diameter regardless of how much is flowing through it.

At any rate, many telecom service providers have offered fractional T1 lines and fractional DS3 service to accommodate customers who can’t pony up the cost of full line speed. This may have as much to do with marketing as anything else. The cost has never been scaled as much as the fraction of maximum rate. In other words, you can order a half-speed fractional T1 line but pay three-fourths or more of the price for a full T1 line.

Now it’s becoming more expensive in some areas to get fractional line speeds as it is to simply order a full T1 line. Why? It’s because a T1 line is a standard product and the fractional service is a special order that needs additional engineering. In that case, you might as well order the full T1 line and just not use all the capacity. It’s cheaper.

Traditional switched circuit telecom services such as T1 lines, DS3 connections, OC3 fiber optic service and the like never were very scalable. They were designed as a technology family with large standard increments between the service levels. But there is a newer service that may be just what you are look for in the way of bandwidth scalability. That’s Carrier Ethernet.

Carrier Ethernet, also called Metro Ethernet, was designed from the beginning to be highly scalable. There are standard network speeds, such as 10 Mbps, 100 Mbps and 1000 Mbps, but there are a plethora of in-between bandwidth levels available. Popular Ethernet service levels are 2 Mbps, 5 Mbps, 10 Mbps, 20 Mbps, 50 Mbps, 100 Mbps and above.

What’s important with Ethernet is to have a port installed that can handle the maximum speed you expect to want. Then buy just the bandwidth you need right now and upgrade later. If you’ve got the right port in place, you can often upgrade your bandwidth quickly and easily with just a phone call to your service provider.

Are you looking to get just the bandwidth you need and not pay extra for unused capacity? Compare pricing for fractional T1, DS3 and OC3 services with Ethernet over Copper and Ethernet over Fiber and see what is most cost effective for your applications. Prices will vary with location, so you need a specific quote for your business address.



Note: Image of fraction dice courtesy of Arjan on Wikimedia Commons.

What is Metro Ethernet?

We’re all familiar with Ethernet, the packet switched network standard that runs on our LANs. But what is Metro Ethernet and how does it differ from Carrier Ethernet? Is Metro Ethernet the same protocol running on local networks but just going longer distances?

From a users standpoint, Metro Ethernet really is just like local Ethernet. In fact, the connection to the Metro Ethernet Network is a standard Ethernet connector. There are no special interface modules needed to convert protocols or establish signal levels. You simply plug one network into the local Metro Ethernet connection and another network into the Metro Ethernet connection across town and they are connected together.

Actually, it has taken quite a bit of effort to make Metro Ethernet so simple. That work has been done by the Metro Ethernet Forum (MEF), a industry standards group. The beauty of standards is that both providers and users know exactly what they are dealing with. There aren’t the ugly surprises that come from trying to engineer basically incompatible products and services.

The terms Metro Ethernet and Carrier Ethernet tend to be used interchangeably. Carrier Ethernet is meant to describe standard switched Ethernet adapted for use over much longer spans than within a building or corporate campus. Carrier Ethernet can be deployed on IP core networks, over SONET/SDH, or over MPLS networks. The end user isn’t generally aware of the transport mechanism. From the customer’s standpoint, it’s just Ethernet ports at each location.

Metro Ethernet is the term that is used to refer to Ethernet services limited to a particular city or metropolitan area of city and suburbs. It’s a popular service for companies that have two or more separate business locations locally. Medical groups consisting of several hospitals, diagnostic centers and clinics are also find Metro Ethernet attractive because of its high bandwidths, ease of connection and lower costs compared to traditional telecom line services.

The customer service connection is made at a User-Network Interface (UNI) installed by the service provider. On one side is the Customer Equipment (CE) and on the other side is the Metro Ethernet Network (MEN). The path between UNIs is made through an Ethernet Virtual Connection (EVC). The EVC maintains the Ethernet MAC address and frame contents unaltered, so it is possible to establish Layer 2 connectivity between locations. It also ensures that traffic goes between the proper UNIs and nowhere else. Think of an EVC as similar in function to a “wired” network connection between two locations.

There are two Metro Ethernet services you’ll be interested in. One is Ethernet Line or E-Line service. This is the equivalent of point to point private line service using T1 or DS3. The other is Ethernet LAN or E-LAN service. This is a multipoint to multipoint service that can be used in place of private proprietary networks, Frame Relay, or MPLS networks to connect multiple locations in a mesh network. Both of these services are suitable for linking offices, factories, warehouses, data centers and other sites within a metropolitan area.

Could your organization benefit from Metro Ethernet? If you have need to connect two or more locations within a city or small geographical area, you may be able to get more bandwidth for less money than you can with other connectivity solutions. To find out, check Metro Ethernet Network availability and pricing for your business locations.

Metro Ethernet MPLS Combo

Two of the hottest networking technologies now are Metro Ethernet and MPLS networks. We normally think of using one or the other. But what advantages are gained when you combine the two?

Metro Ethernet is the familiar Ethernet protocol that we’ve come to know and love on our LAN networks. It’s not exactly the same, because it needs to be adapted to work over longer distances than typical building and campus runs.

This, and other service enhancements, have been standardized by the Metro Ethernet Forum (MEF), an industry group comprised of over 170 companies and more than 75 service providers. The MEF has defined five attributes that distinguish what they call Carrier Ethernet from the familiar LAN based Ethernet. These are standardized services, scalability, reliability, service management and quality of service.

What carriers get is a set of certified network elements that work to connect users on a local or worldwide basis. They also have services that can be transported over whatever physical networks they have available, including legacy TDM networks originally designed for telephony.

Metro Ethernet is Carrier Ethernet implemented within a city or metropolitan area. Two of the popular standardized services are Ethernet Line Service, a point to point connection, and Ethernet LAN Service, a multipoint connection. Companies use Metro Ethernet to link branch office buildings, factories, warehouses, data centers and other locations in the area.

Ethernet can also be used as a last mile access connection to larger private networks or the public Internet. These links have traditionally been T1 lines, DS3 connections, or SONET/SDH fiber optic services. Ethernet is growing in popularity as a network access service because it is lower in cost and more scalable than legacy telecom services.

At the same time that Carrier Ethernet has soared in popularity, MPLS networks have seen a similar growth in demand. Most networks have a defined protocol that they run. This can be TDM, IP, Frame Relay, or something else. The beauty of MPLS networks is that they are designed to support all protocols. Hence, the name Multi-Protocol Label Switching. The label switching part has to do with a tagging system that is used to encapsulate and route packets while they are on the network. Since the MPLS network doesn’t need to use the internal packet structure for routing, it doesn’t matter what those labels are attached to.

Most new large scale networks are based on MPLS. It doesn’t matter what’s running as the core network. It might be IP. It might be SONET. What the user sees is a privately run network that can securely transport voice, data, video or converged network traffic within a city, between cities or around the world. MPLS networks have all but completely replaced the older Frame Relay networks that were once used to link computers over wide areas.

What you probably have guessed is that Ethernet and MPLS are very compatible. Many carriers have nationwide or international MPLS network service footprints. You can combine Ethernet access with a large MPLS network and create a very cost effective way to link your geographically diverse business locations.

Large scale Carrier Ethernet networks are also on the ascendency. A new interconnection standard called ENNI or Ethernet Network to Network Interface connects Carrier Ethernet service providers so they can share traffic and effectively increase their service footprints. The underlying transport networks may or may not be MPLS networks themselves.

What’s combination of Ethernet and MPLS offers the highest performance at the lowest cost for your applications? There are network consultants available right now to provide you with Metro Ethernet and MPLS service options and pricing at no charge for serious business and organizational users.

100 Mbps Corporate Ethernet

A new standard connection speed for medium to larger organizations is getting to be 100 Mbps. It may sound like an expensive and unnecessarily large network capacity, but it is actually neither. Fast Ethernet is the new DS3.

For those who remember only a few years ago when a T1 line offering 1.5 Mbps was considered a high bandwidth connection, the notion that 100 Mbps is now the benchmark may be a bit unnerving. A lot has changed over the last decade. Application requirements have increased dramatically. We might have settled for fuzzy slow motion video conferencing when even that was a novelty. Now it’s full motion HD two-way video and telepresence. E-commerce has gone from an add-on service for a bricks and mortar facility to the dominant way that many companies do business. Dynamic interactive web pages with video have replaced low resolution static HTML brochure pages.

There are also many businesses that can’t operate electronically without high bandwidth connections. These include video production, content delivery and medical imaging. It’s 100 Mbps, 1 Gbps, 10 Gbps... or forget it.

There’s no reason to forget it anymore. High bandwidth services are readily available and lower in cost than you may imagine. That’s the other big change between the start of this decade and the end. Line prices have plummeted as new competitive carriers with the latest network technology have come on the scene. While T-Carrier and SONET may be the entrenched legacy carrier services, Ethernet has become the bandwidth solution of choice. On a Mbps and Gbps basis, Metro Ethernet and Carrier Ethernet solutions are often a fraction of the price demanded for T-Carrier or SONET and a small fraction of standard pricing ten years ago.

Fast Ethernet at 100 Mbps makes a lot of sense as a bandwidth requirement for dedicated Internet access or point to point and multipoint connectivity. The standard Ethernet LAN speeds are 10 Mbps, 100 Mbps and 1 Gbps. In some cases, that’s been increased to 10 Gbps. Many, Many networks have most of their nodes running at 100 Mbps simply because so much equipment has network interface cards standardized at 10/100 Mbps. The big speed bump has been at the edge of the LAN where it connects to the outside world. Fast Ethernet may be more than adequate for internal file transfers. But going from 100 Mbps inside to a 1.5 Mbps T1 line outside can slow traffic to a crawl.

Medium and larger companies have reduced the speed bump by upgrading from T1 to DS3 connections. DS3 offers 45 Mbps, a bandwidth increase of 28x when line overhead is factored in. The new replacement for DS3 is Fast Ethernet at 100 Mbps. That’s more than double the bandwidth, a protocol that is directly compatible with corporate LANs, and a cost savings to boot. What’s not to like?

Is your company missing out because you thought that 100 Mbps was beyond your reach? Take a few minutes right now to get 100 Mbps Fast Ethernet prices and availability. You may well be able to get more bandwidth for less than you spend now.



Note: Photo of network switches courtesy of Wikipedia Commons

Is Metro Ethernet Available?

You’re looking to initiate or expand bandwidth for your company. What type of service should you go with? Metro Ethernet is in the news these days. You may have heard that it offers more bandwidth for less money than traditional telecom solutions. But, is Metro Ethernet even available?

There’s a quick way to find out. Use an Ethernet service finder to get a map of the lit buildings near you. What’s a lit building? No, that doesn’t refer to how many lights are on in the offices. It refers to the presence of fiber optic service to that building. Lit means that the service is turned up and active with laser light shining through the fiber. There’s also such a thing as dark fiber, which is just the fiber optic cabling installed but not connected to anything.

Why are lit buildings important? Because those are places where you can get fiber optic service quickly and easily. All the hard work of digging trenches or attaching new fiber cables to utility poles has already been done. It’s just a matter of connecting to an almost limitless supply of bandwidth available through the fiber.

If you are in or can readily move to a lit building you can almost certainly get Metro Ethernet service at an attractive price. You might even decide to share a high bandwidth connection with other tenants to get an even lower price that comes with high volume usage. But what if your building has no fiber optic service yet? Is there any chance you can get Metro E?

There certainly is. If the building next door has fiber coming in, chances are high that you can get the same service. Most of the hard work has been done already in getting fiber strung from the carrier POP (Point of Presence) to the telecom room in the facility. It’s not that big a deal to extend fiber next door. In fact, you may pay little or nothing to get your building lit if you require a reasonable level of bandwidth.

What if there is no fiber anywhere nearby? That’s a little more tricky. It depends on where you are and how much bandwidth you require. You may not realize it, but Ethernet can be delivered on twisted pair copper telco cables as well as fiber. Not every business requires Gbps data pipes. In fact, two of the most popular Metro Ethernet services are 3 Mbps and 10 Mbps. Both of those easily qualify to be brought in on existing copper cable. You can be several miles from the nearest point of presence and still get Ethernet over Copper. Speeds up to 45 Mbps are available, but you’ll need to have a carrier POP much closer for those higher bandwidths.

Is Metro Ethernet available out in the boonies? Probably not. That’s what the “Metro” part implies. Even so, you may be able to get something called EoDS1 or Ethernet over DS1. That services uses T1 lines to bring in Ethernet service. Alternatively, you could simply order a T1 line or multiple bonded T1 lines to meet your bandwidth needs no matter where you are located.

Ready to see if Metro Ethernet is available for you? Simply enter your business address (not for residential locations) in to the Shop For Ethernet WAN Search box and have a look at the map results. You’ll see just how close you are to a lit building. Then get availability and pricing for Ethernet and other telecom services from our Telarus consultants. Your location probably qualifies for more services at lower prices than you expect.

What is Metro E?

Metro E is short for Metro Ethernet, a popular and rapidly expanding network connection service.

Metro E is Ethernet like the protocol you run on your Local Area Network (LAN). But it has been standardized and adapted to also run on a Metropolitan Area Network (MAN). The organization behind this standardization is the MEF or Metro Ethernet Forum. It’s an industry standards organization dedicated to Carrier Ethernet.

Here’s why you should you know about Metro E and seriously consider using it for your business connectivity. Metro Ethernet services are better suited to today’s packet switched networks than the legacy telecom services such as T1. Connectivity is almost trivial. Ethernet is what nearly all networks are running as a protocol. The connection from your service provider is an Ethernet jack. That’s it. No need for special conversion equipment to connect to your switches and routers.

Metro E is supported by a number of incumbent telecom carriers, plus many new competitive service providers that have no connection to legacy telephone services. Nearly all of these new competitors have built their networks on fiber optic lines and IP or MPLS core networks. Metro Ethernet services are easily transported on these networks. The result of all this competition is that Metro E prices are often considerably lower per Mbps than T1, DS3, or OCx bandwidth. It is not uncommon to get 3 Mbps Ethernet service for the same price as 1.5 Mbps T1 and similarly reduced costs at higher bandwidths.

Like other telecom services, Metro Ethernet can be set up to provide point to point connectivity between two business locations. Unlike older technologies, Ethernet Line Service can be configured as a layer 2 connection between two LANs, effectively connecting them to make one larger LAN. Ethernet LAN Service, or ELAN, can do the same thing for multiple locations. It’s a high performance and cost effective way for businesses to tie-together branch offices, factories, headquarters and warehouses. It works just as well for hospitals and their related medical centers in the area.

Another use for Metro E is as an access network connection. Metro E links are used as last mile connections to larger MPLS networks for national or worldwide service. They are also used as dedicated broadband Internet connections for small, medium and large organizations.

Metro E bandwidth tends to be easily scalable. Service at 3 Mbps is a popular entry level bandwidth. Many companies move up to 10 Mbps, a standard LAN speed. Fast Ethernet at 100 Mbps, 1000 Mbps and 10 Gigabit Ethernet are other standard LAN speeds that are also supported by Metro E providers. While these speeds are popular, most providers offer incremental bandwidths between each of these levels. You can order any bandwidth up to the limit of your installed Ethernet port. Start with what you need now and easily upgrade as the need arises.

One thing you should know is that the Metro in Metro E generally means just that. This service is available in most metropolitan areas, but rarely in rural areas. It may be possible to get Ethernet connectivity over T1 lines, called EoDS1. This is a way to extend service to include remote business locations.

If Metro E the right service for your business situation? A quick way to find out is to request a list of Metro E service levels and prices for your business location or locations.

Reduce Expense of T3 or DS3

You currently have or are considering 45 Mbps service using T3 or DS3. Before you re-sign or initiate a new contract, take a look at how you might save considerable expense in the process.

T3 and DS3 are often considered to be identical. They’re not, but they are very close technically. T3 refers to a specific T-carrier system created by Bell Labs. It can transport 45 Mbps of data in both directions (full duplex) or 672 telephone conversations. Do you have a T1 line now? It is part of the same T-carrier system. A T3 line can carry 28 T1 lines, to give you an idea about how much bandwidth 45 Mbps represents.

DS3 is the digital signal that rides on a T3 line. It is the specification that describes how you get all those telephone calls or T1 lines worth of data into that particular format of data stream. In other words, a physical T3 line transports a DS3 formatted digital signal. Sounds almost redundant until you learn that there are other ways to transport that DS3 signal. Most important is using a compatible fiber optic SONET connection. OC3, the lowest level of SONET fiber service generally available, runs at 156 Mbps and can transport three independent DS3 signals. A service provider might drop off one at your locations and another down the block. Or you might order an OC3 and break out the 3 streams yourself if you need that much bandwidth.

How, exactly, you get DS3 service to your PBX phone system or network router depends on what service providers in your area are offering. In dense metropolitan locations you may be able to get DS3 service via fixed wireless microwave connection, as well as fiber optic cable and perhaps coaxial copper wire. You’ll connect from the carrier’s termination to your DS3 router using a pair of copper coaxial jumper cables.

The fact that there are different delivery mechanisms for DS3 is one key to being able to reduce your telecom line expense. Not too long ago, the local telephone company was the only one offering this service. Now there are competitive carriers, each with their own fiber or wireless networks, who aggressively pursue high bandwidth customers. That has tended to drop the cost of DS3 service dramatically in recent years.

If you don’t specifically need DS3, but only the bandwidth level that DS3 can provide, there is another option you should seriously consider. That is metro or carrier Ethernet. At the 45 Mbps level, Ethernet may be delivered to your location by either fiber optic line or bundled copper pair. The copper solution only works within a short distance of the carrier’s nearest point of presence. But not everyone needs the full 45 Mbps. If your requirement is, say, 20 Mbps, then you may be able to get EoC or Ethernet over Copper over a wider area than is available for 45 Mbps service. You’ll also pay less, since Ethernet is priced per Mbps.

Ethernet is also a good choice for companies that have an immediate and anticipated need for more than 45 Mbps. It is a scalable service, so you can get 50 Mbps now and upgrade to 100 or 200 Mbps later without a major effort. Ethernet at these levels is delivered by fiber optic cabling. Fiber support an almost unlimited bandwidth capacity. Ethernet services are readily available at 100 Mbps Fast Ethernet, 1,000 Mbps Gigabit Ethernet and 10 GigE.

Does your organization have a need for increased bandwidth or would you like to check competitive prices before you commit to a new contract? Our Telarus consultants will be happy to get you a listing of bandwidths and pricing for DS3, Ethernet and other bandwidth services available for your location. As a bandwidth broker, Telarus works with dozens of carriers and can get you more competitive pricing than you could hope to get on your own. Best of all, this is a complementary service for all serious business applications.

Bandwidth To Support Branch Offices

Many companies have more than one location in a given area. These branch offices are especially important for businesses that want to have a presence as near their customers as possible. So, how do you seamlessly connect those branch offices to the main office without spending a fortune?

There are two high performance networking technologies available now that didn’t exist a generation ago, perhaps not even a decade ago in many locations. These are Metro Ethernet and MPLS Networks. Both are proving to offer high performance and attractive pricing compared to traditional telecom solutions.

Ethernet has always been though of as a local networking technology. Once it was adapted for long haul transmission, Carrier Ethernet technology made it possible to take Ethernet out of the office and run it all across town.

What does Metropolitan Ethernet have to offer? Ease of connection and efficiency of transmission are obvious advantages. With Metro Ethernet, there are no protocol conversions necessary in the network. Ethernet formatted packets flow from source to destination as generated.

Another advantage of keeping everything as Ethernet is that the entire network, LAN and WAN, can be set up for level 2 switching. This is ideal for business communications. The main and branch offices can all be on the same network, with the same access to resources regardless of where the user is located.

What might not be expected is that Ethernet services are generally much less expensive that traditional telco solutions of the same bandwidth. The increase in competition due to new carriers focusing on Ethernet connections has a lot to do with that.

The other technology you’ll be interested in is called MPLS or Multi-Protocol Label Switching. It’s a way to create a secure high performance multi-point network that can transport nearly any protocol.

Competitive carriers as well as traditional telecom providers are turning to MPLS technology for their core networks. These networks can be carefully controlled for jitter, latency, bandwidth and packet loss. That makes them ideally suited for converged voice and data networks. You can have your telephone and computers on the same network and ensure that one service doesn’t interfere with the other.

Ethernet and MPLS networks are highly compatible. In fact, it’s not unusual for companies to connect nationwide or around the world with Ethernet in the last mile and MPLS “cloud” networks providing the long distance connectivity.

Do you have branch offices to support? If so, get price and availability quotes for Ethernet and MPLS services. You may be surprised at the options available for your business locations.

Future Proofing Your WAN With Ethernet

The nature of wide area networks is changing. Once the exclusive domain of telephone technologies, core networks are being re-engineered for packet switched services. Voice will always be important, but data and video are now the dominant forms of network traffic. How does this affect your business connections and should you be doing anything to stay ahead of the curve?

Most businesses and organizations are being affected by increased requirements for bandwidth. As their line service contracts come up for renewal, savvy managers are taking a look at what’s available now and rethinking their options. Do you simply renew the T1 line contract that you’ve had for years or switch to a newer Ethernet service?

I mention Ethernet because Ethernet in the WAN, also called Carrier Ethernet and Metro Ethernet, are becoming the network connection resource of choice. What’s behind it is a recognition that virtually all business, organizational and home networks are based on standardized Ethernet. That includes the wildly popular WiFi wireless routers and hotspots that have Ethernet inputs and outputs. It seem intuitive that Ethernet would make a good metro and wide area connection technology.

What’s held back Ethernet WAN services is the entrenchment of telephone technology line services. Until deregulation, there was a century of monopoly ownership and development of analog phone lines, carrier telephony, T-Carrier digital line service and SONET/SDH fiber optic services. All of these services were designed to support the basic core element of the individual two-way telephone conversation. Even the vast cellular networks were designed with telephones in mind first and data piggybacked on later as an afterthought.

With data and video dominating digital traffic, it makes sense to take another look at what network characteristics make the most sense for now and in the future. Network providers, including incumbent telephone companies, have done this and are moving rapidly to IP networks and connections. The two most on the ascendancy right now are Ethernet and MPLS Networks. MPLS is an excellent choice for creating a virtual private network cloud that can transport nearly any type of traffic across the country or worldwide. It readily supports Ethernet, making those two network technologies a powerful combination.

While there are other network protocols for specialized applications, it looks right now like we are headed toward an everything-over-Ethernet world. It’s an easy connection from your switches and routers to the carrier that transports your packets to remote destinations. You just plug-in and go. You also have the option of ordering a layer 2 Ethernet service so that you can make all your distant sites connect like they are on the same bridged LAN. In a way, Ethernet makes the WAN portion of the network disappear.

Is it the right time for you to move to Ethernet services? You’ll likely find that they are less expensive per Mbps that other options and offer scalable bandwidth anywhere from 1 Mbps on up to 10 Gbps or more. Check out the cost and availability of Ethernet WAN service for your locations before you commit to other options. You could be missing out of a better deal.

MPLS VPN Access Solutions

You’re convinced that an MPLS networking solution is the answer to connecting your geographically diverse business locations. But just how are you going to connect to the MPLS cloud from all those locations?

What you need is individual access networks for each location that will connect to the ingress tag router serving that geographical area. Right now the most popular connection technology is the venerable T1 line. Why? Because T1 lines are almost universally available, highly reliable, private, symmetrical, and relatively high bandwidth. Relatively means 1.5 Mbps in both the upload and download directions. For many businesses that exchange data files and even some voice traffic, this may be enough line speed. That’s especially true for branch offices and retail locations that simply need to connect to headquarters. But some applications may be limited by a 1.5 Mbps ceiling.

The next thing you can do is take advantage of T1 bonding to increase access line speed. T1 lines are readily combined, or bonded, to double, triple or otherwise expand bandwidth. There’s a practical limit of around 10 or 12 Mbps for this approach, but that can be more than adequate for many needs. Even video and medical image transmission can get by with this level of bandwidth as long as demands aren’t too high.

What if you need higher bandwidth levels to access your MPLS network? DS3 is still a good intermediate level solution at 45 Mbps. It’s a mature technology and available in many areas, no not nearly as prolific as T1 when you get beyond the metropolitan and suburban cores.

How about Ethernet as an access solution? Metro and Carrier Ethernet services are highly popular for a number of reasons. First, costs are often lower and sometimes much lower than traditional last mile connections for the amount of bandwidth you are ordering. For instance, it is not uncommon to get 3 Mbps Ethernet service for the same price as a 1.5 Mbps T1 line. 10 Mbps Ethernet is probably the most popular choice for new connections. It is priced attractively and available in most metro areas.

Another feature of Ethernet access services are that they are readily scalable up to the capability of the installed port. You may well start out at 3 Mbps but then find you need to double or triple that as business activity picks up at a particular location. No problem. A simple phone call to your service provider may be all you need to get that location upgraded. That can happen rapidly and independently of connection speeds at other locations.

If you are originating and terminating Ethernet packets, it only makes sense to use Ethernet connections to access the MPLS network. The network itself can easily transport Ethernet as well as other protocols. This gives you the option to keep everything in the Ethernet protocol and perhaps even create a multi-location LAN for ease of network management.

Higher bandwidth access connections, such as DS3 or Fast Ethernet, require fiber optic connections. With your building lit for fiber, you may be able to scale your bandwidth up to OC3, OC12, or OC48 SONET levels or GigE and 10 GigE Ethernet.

What type of MPLS VPN access connections do you need to support your multiple locations? Explore the complete range of options available to you now as MPLS VPN Access Solutions.

E-NNI Helps Ethernet Go Global

Metro Ethernet service has been growing by leaps and bounds. That’s not surprising, considering that Metro Ethernet services generally offer higher bandwidths at lower prices than traditional telecom services. They also offer features such as virtual private line and LAN service that weren’t previously available. As business appetite for Ethernet in the WAN grows, it’s only natural that businesses look to connect everywhere through their Metro Ethernet connections.

Metro Ethernet was intended to be just that. The "metro" in Metro Ethernet means metropolitan. It’s a service that is perfect for connecting two or more business locations within the same city or greater metropolitan area. The geographical range of coverage is set by the service footprint of the carrier providing the service.

Many competitive carriers now base their core networks on IP packet switching technology, not the traditional circuit switching architecture. They’ve embraced Carrier Ethernet to offer Ethernet services that span metropolitan areas so that companies can interconnect branches in cities across the country.

What’s been more difficult is getting the same type of universal access that companies have enjoyed with the Public Switched Telephone Network. After all, the days of monopoly in telecommunications are long gone. What’s needed is a standardized way for all those competing carriers to exchange traffic so that their customers can have a much wider geographical presence. Thats what E-NNI is all about.

The Ethernet External Network-to-Network Interface (E-NNI) is an industry standard ratified this year by the Metro Ethernet Forum. It provides a way for carriers to exchange traffic without having to worry about losing service features or having to create ad-hoc interfaces carrier by carrier. A separate UNI or User Network Interface connects each customer to its respective carrier.

The E-NNI specification makes it easy for carriers to exchange voice, data and video traffic at Ethernet layer-2. This make switched networks that span multiple carriers possible. To the user, the Ethernet WAN may look like one large cloud. To the service providers, it is a collection of clouds interconnected by peering through E-NNI connections.

The ratification of the E-NNI standard is giving rise to Ethernet Exchanges, such as Telx, that provide worldwide interconnection services for service providers at a carrier-neutral facility. Rather than having to build-out their service footprints to everywhere customers want connections or going through the laborious process of negotiating Private Ethernet NNI agreements, carriers can simply connect with each other through an Ethernet Exchange so that each participant has access to a much larger geographical footprint.

Can you company benefit from the growth of Carrier Ethernet and the many services it offers? The best way to find out is to get a competitive quote for your connection needs, be they across town or to the other side of the globe.

Metro Ethernet vs T1 Lines

Small and medium size businesses typically use T1 lines or multiple T1 lines to provide reliable broadband connectivity. But now there’s another option that you should consider for higher bandwidth at lower prices. That’s Metro Ethernet.

Metro Ethernet service is available in most metropolitan areas. Hence, the name “metro.” Also, like the name implies, this is a switched Ethernet protocol compatible with what you are running on your local area network. That makes it easy to connect from your network to your Metro Ethernet connection. You simply plug into the Ethernet jack from the service provider and you are connected to the wide area network. With T1 lines, you need a special interface card that contains the CSU/DSU circuitry to connect with that technology or a stand-alone T1 CSU/DSU with an RJ-45 network output.

Both T1 lines and Metro Ethernet services can be configured to provide point to point private lines between business locations. They can also be used as access network connections to the Internet. Both give you dedicated Internet access with assured bandwidth and availability.

In addition, Metro Ethernet can be set up as a multi-point service to connect several business locations on the same network. This can be a level 2 switched Ethernet service that ties your branch office and main office LANs together in one larger bridged network. You can create larger networks using T1 lines, but they are inherently connections from one location to another. You’ll have to build a star or mesh network yourself.

What about bandwidth? T1 lines are inherently fixed at 1.5 Mbps each. The way to get higher levels of bandwidth is to incrementally add more lines through a process called bonding. For instance, 2 T1 lines gives you 3 Mbps, 4 lines will provide 6 Mbps, 6 lines gives 9 Mbps, and so on.

Ethernet services are also available in a variety of bandwidth options from 1 Mbps through 10 Gbps. Small and medium size businesses will typically opt for 3 to 10 Mbps options. An advantage of Ethernet is that it is scalable up to the fastest speed the connection will handle. You can start out with 3 Mbps bandwidth and upgrade to 10 Mbps or 20 Mbps, often with only a phone call to your provider.

T1 is a wireline service. It is based on two sets of twisted pair copper telco wires. That makes T1 available nearly everywhere you can get phone service. At the lower bandwidths, Ethernet is also provisioned over twisted pair copper wire. A different modulation scheme is used to gain higher bandwidths using multiple copper pair. You may be able to get up to 50 Mbps Ethernet over Copper. The upper limit is distance sensitive, so the closer you are to a carrier’s nearest point of presence, the higher bandwidths you can get.

When fiber optic connections are available, the higher Ethernet bandwidths are readily available. Medium size businesses commonly use 10 Mbps to 100 Mbps connections, with larger corporations installing 1 Gbps to 10 Gbps fiber optic Ethernet services.

How do prices compare? The price of T1 lines has dropped dramatically in recent years and can be had for under $400 per month in many areas. For about the same cost, you can get twice the bandwidth with 3 Mbps Ethernet. For what you may be paying on an older T1 line contract, you may be able to upgrade to 10 Mbps Ethernet and get the bandwidth you need for today’s demanding business applications.

Ethernet sounds good, but how can you find out which Ethernet bandwidth services are available for your location or locations? The easy way is use the quick Metro Ethernet Service finder at Ethernet Today. See if nearby buildings are already lit for Metro Ethernet service and get quotes for competing service providers. You may be surprised how affordable the new Ethernet services really are.

From LAN to MAN to WAN

We’re in something of a network revolution right now. Computer networking has deployed many different protocols for communication. Some of these have been borrowed from the telephone industry. But there’s a consolidation underway that is moving toward a single IP networking standard. From LAN to MAN to WAN, it’s all headed toward IP.

The standardization really started in the LAN or Local Area Network. Nearly all LANs are now constructed using Ethernet network interfaces? It’s not that other network architectures don’t have merit. It’s simply economy of scale. Perhaps the PC, more than anything else, helped to settle the issue with 10/100 Mbps NICs (Network Interface Cards) being included as standard equipment. Today’s faster machines offer 10/100/1000 interfaces with RJ-45 as the standard connector. If you want anything else, you have to pay extra.

This economy of scale encompasses not only desktop computers, but laptops, network switches, routers, servers, cabling and various appliances. The higher the volume produced, the cheaper each interface circuit becomes. Until something very much better comes along, Ethernet is the low cost solution.

The situation has been quite different beyond the company premises. The telephone industry has about a 100 year lead on the computer industry. If you’ve wanted to connect two business locations together or join the Internet, you had to convert your Ethernet protocol to something the telephone system could understand. Remember dial-up modems? Today’s equivalent is the T1 line. It’s all digital and offers rock solid 1.5 Mbps connectivity, but it’s a telco standard service.

The LAN to MAN or WAN connection is most often made with an interface called a CSU/DSU. This can be a stand alone box or a card that plugs in an edge router. It provides the protocol and signal level conversion between Ethernet on the LAN and T1 line connecting through the central office.

More recently, the T1 connection and faster speed DS3 and OCx services have been challenged by the rise of Metro Ethernet services. With MetroE, you connect directly from your Ethernet LAN to an Ethernet MAN and back again at other locations around town. Since this is a Level 2 switched service, it’s like having a way to expand your LAN over a much larger area to include other offices, a factory, warehouses, and an offsite data center.

Metro Ethernet melds LAN and MAN with one common service protocol. But what about the WAN or wide area needs? WANs often encompass regional areas of the country or even the entire US. Very large WANs include locations around the world. These, too, can now be joined by Ethernet through MPLS networks. While MPLS has an IP core, it uses its own tag switching system instead of IP routing while on the network. But being a multi-protocol system, it can easily transport Ethernet. Some larger providers have national and international service footprints, making it easier than ever to connect from LAN to MAN to WAN.

Are you interested in maximizing the efficiency of your metropolitan and wide area network services while minimizing your costs? You should get a quick quote on MAN & WAN Network Bandwidth to see how much you could be saving.