Gigabit Metro Fiber Ethernet Means Business

By: John Shepler

More and more companies are running out of bandwidth as demanding applications eat up every Mbps of LAN, MAN and WAN bandwidth they can access. Are you doomed to fight a losing battle or is there a good technical solution available?

More Bandwidth to the Rescue
Don’t expect to roll back the clock and be able to do business today and tomorrow with the connections you ordered yesterday. X.25 is long gone. T1 lines have about had their last hurrah. Ethernet over Copper is a temporary solution, at best, to buy you time for what you really need to do. That is, connect to the world via fiber optic bandwidth

But What About Cable?
Cable broadband, also called D3 or DOCSIS 3 for the technical standard, is actually a good solution for some applications. Just don’t kid yourself. That cable connection doesn’t really go very far until it hooks up with the cable company’s metro fiber plant. The junction box may be a few blocks away or it might be handing on the utility pole you can see from your office.

The same is true for T3 or DS3 bandwidth, the longstanding upgrade path from T1 lines. The connection to your equipment may be a pair of coaxial cables, but they only go out to the street. At they point they join up with a SONET fiber optic system owned and maintained by the local telephone company.

What’s Special About MetroE Fiber?
Ethernet is the newer and future-proof technology for carrying digital traffic on fiber optic systems. It is based on the same Ethernet standards used for your local area networks. Certain standards have been added to fit with carrier operations, but otherwise it is switched Ethernet.

That means the interface between your LAN and the carrier’s MAN or WAN is trivially simple. Just plug in and go, like you would with any router or switch. No special interface cards are needed. Chances are that the carrier who is providing your service will install a managed router at your business to define the network edge.

Metro vs Internet
Metro Ethernet, strictly speaking, is a network that serves a particular city or city plus suburbs. The most common use has been to interconnect business locations that are geographically close. These may include headquarters, data centers, warehouses and branch offices. Some companies choose to include suppliers and important customers on their MetroE network for high connection speed and security.

Metro Ethernet is a point to point or multipoint service that directly connects particular locations. You can elect to order ELAN service that actually extends your local network to the other locations. It’s just like you ran your own cables across town, but without the prohibitive expense of doing so.

The Internet is another animal. It’s actually a massive worldwide network made up of national, regional and city-wide networks that all agree to a common standard. Metro Ethernet is not the Internet, but it can connect to it. MetroE networks can also connect to each other over longer distances, especially when ordered through the same carrier.

Why Order Metro Ethernet?
You can think of Carrier Ethernet or Metro Ethernet as the new gold standard in telecommunications. It gives you high bandwidth connections that are easily scalable and low in latency, jitter and packet loss. You have exclusive use of the bandwidth you’ve ordered. It’s also generally covered by a service level agreement to ensure that you get the highest level of availability.

That’s important because the tradeoff between Metro Ethernet and Cable Broadband is not so much in the connection method. Cable provides you with a shared bandwidth service that varies in speed depending on how heavy the usage is. Service is generally on a “best effort” basis rather than any particular guarantees of performance or availability. Thus, the lower price for a given bandwidth level. Some businesses, especially smaller ones, find this tradeoff well worth making. Others with large user bases and critical applications may find that only dedicated service is acceptable.

By the way, many Cable companies also offer Metro Ethernet service on their fiber backbones. It’s a different class of service with a different pricing structure than the coax connected business broadband offering.

Is Metro Ethernet For You?
If you are running out of bandwidth or already at the limit, or simply want a service that can easily be upgraded in the future, you should take a serious look at Metro Ethernet for your business. You may be able to get a break on construction costs or even have them waived if you sign a long term contract, have high enough bandwidth requirements or can join forces with other business customers in your building. There are likely multiple carriers serving your area. Find out what each can offer with a set of competitive quotes for Metro Ethernet service now.

Backing Up Broadband

By: John Shepler

In the last couple of decades, broadband Internet access has gone from being a marginally used business tool to a critical infrastructure for most companies. Both speeds and traffic have increased by orders of magnitude. So, answer this question: “what happens if your broadband goes down?”

We’ve Quietly Become Dependent
The conversion from traditional to automated business processes and digital communications have taken place so gradually that many companies don’t quite realize what would happen if it all suddenly went dead. You know what happens if you lose power. That facility is temporarily out of business. You know what happens if your data center loses power. Your computer-based processes are out of business. If that’s not acceptable, then what have you done to ensure continuing operations?

The Danger of Single Point Failures
What is the communications equivalent of battery and diesel generator backup for electrical power? It’s one or more redundant communications paths. If you have a single broadband line powering your network, you have what’s known as a “single point failure”. That’s one place where a failure of any sort puts you out of business. You can have all sorts of extra computers, printers, servers, battery backup and people cross-trained to take over whatever is a priority task regardless of who gets sick. It’s all for naught if yours is an online business and there is no way you and your customers can connect.

Start With the Best Line You Can Get
There are broadband services and then there are broadband services. They really break down into two categories. There are telecom services designed for high reliability and often available with service level agreements, a type of performance guarantee. Then there are “best effort” services designed for low cost and no performance guarantees. Which do you suppose is best for your critical operations?

Telecom based services, such as T1, DS3, SONET, Ethernet over Copper and Ethernet over Fiber are examples of dedicated high reliability services. So are MPLS networks if you want to create a private “Intranet” among your own facilities. DSL, Cable, Cellular and other broadband services popular with consumers generally fall into the “best effort” category. Best effort means just that. The carrier will make their best effort to keep you up and running, but there is no guarantee of what that will wind up being.

The Need For Redundancy
Even the best technology can go awry. Amplifiers short out, backhoes cut through copper and fiber cables with alarming regularity, and technicians make mistakes, perhaps disconnecting your circuit instead of the one they intended. Accidents will, indeed, happen, but that doesn’t mean your business has to be the victim.

One tried and true way to protect yourself from equipment failure is to have a backup in place. If one fiber optic line is good, two are better… with some caveats. Redundant lines really need to be independent. Ideally, you want to get them from different carriers who run them in different cable bundles that even leave your facility in different directions.

I remember a few years ago when our Cable company had one of those backhoe mishaps. It took two days to get TV and broadband restored because they had to splice over 100 fiber strands to complete the repair. You could have leased ten of those strands to make your connection redundant and you would have lost everything in one big chop.

Can Cable Backup Fiber?
Business cable broadband can actually be a very good way to get redundancy into your communications without doubling the budget. Cable services have gotten a lot more reliable since they switched from large coaxial trunks to fiber optic runs to the curb or neighborhood.

The DOCSIS 3 standard, that is now almost universal, offers bandwidth capability in the hundreds of Mbps, even up to 1 Gbps in some locations. The cost per Mbps is just a fraction of what you’d pay for Ethernet over Fiber or legacy SONET. That’s because cable service is, indeed, “best effort”, the bandwidth is shared, not dedicated, and the bandwidth is asymmetrical. That is, download speeds are much higher than upload speeds.

Taking all that into account, you may sleep a lot better at night knowing that if your premium dedicated fiber takes a hit, you can continue operations uninterrupted with broadband cable that is unrelated to your main service. You simply need a way to ensure automatic failover so that your employees and customers won’t see a service interruption.

Other Options
Some companies are quite happy to have T1 lines, Ethernet over Copper, two-way satellite, or even 4G LTE wireless as backup services for their main channel. Any channel that is completely independent is a good backup candidate. The only real limitation to any of these is the amount of bandwidth available and latency low enough not to impact what you are doing with the broadband connection.

Are you feeling that a single high capacity line is leaving you vulnerable to a service interruption? Why not look into an affordable broadband backup service for peace of mind?



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High Speed Business Internet

By: John Shepler

Broadband for business has many more options available than residential broadband. Conventional wisdom is that businesses pay dearly for their high speed Internet. It’s true that some telecom options are more costly, even much more costly than consumer services… for good reasons. But other options are priced in the same ballpark as residential broadband and perfect for certain applications. Let’s take a look at the range of high speed business Internet services available for your location and how to choose.

Business Cable Broadband
At the low end of the price spectrum is cable based broadband Internet. Technically, this is known as DOCSIS 3.0 or D3. Yes, it is delivered on the same coaxial cable that brings in Cable TV. That’s an advantage for certain businesses, like bars and doctor’s waiting rooms. You can get a bundle of broadband and TV, or a “triple play” of broadband, TV and telephone on one line.

Pricing is very attractive because of the huge number of subscribers on the cable. That is also a limitation. You and dozens or hundreds of other users are sharing a pool of bandwidth. When the provider says you get “up to” a certain bandwidth, that is the maximum you’ll see. When lots of other subscribers are online and downloading video or other large files, the line speed for everyone slows down accordingly.

Another reason prices are so low is that cable broadband is not regulated the same way as legacy telecom services. It is considered an “information service” with delivery on a “best effort” basis. Telecom services have SLAs (Service Level Agreements) that spell out performance characteristics and time to response and repair outages.

How do you know if business cable broadband is right for you? For small businesses, especially those who can take advantage of the bundled options, cable is budget friendly. If you have experience with cable broadband at home and are satisfied with the performance and reliability, you’ll likely be happy with the business version as well.

Wireless Broadband
Sometimes you don’t want or need wires at all. 3G and even 4G cellular broadband is available for most business locations. Without the wires, you can be mobile with your smartphone, tablet or laptop computer. A high performance fixed transceiver works great for “pop up” stores or construction sites that only need temporary service.

The limitations of wireless broadband tends to be the limited bandwidth available. Even if you have all the speed you need for your applications, you have a monthly download quota of 5 GB, 10 GB or some number. For things like credit card verification, email and occasional Web access, this may not be a problem. It isn’t a good match for many employees, considerable video downloads or software updates.

Satellite is a fixed wireless service separate from cell towers. It works anywhere you can mount a small dish and have a clear view of the southern sky. Like cellular broadband, satellite is bandwidth limited and not suitable for heavy use. It also suffers from high latency, or time delay, that make it difficult to use for real time applications like VoIP and video conferencing.

T1 lines
T1 is the classic broadband line for businesses. It offers rock solid bandwidth that is equal in both the upload and download directions. Shared bandwidth services, like cable and wireless, offer much higher download that upload speeds. T1 is dedicated to your use and not shared with other companies. It offers low latency and high reliability.

The main limitation of T1 is the bandwidth. It’s 1.5 Mbps. That used to be plenty and still is for smaller applications. You can increase this from 3 to 12 Mbps by adding more T1 lines. This is called “bonded T1.” Each line has a certain cost, so it can get pricey fast.

T1 and bonded T1 offer the professional grade performance you need for nearly everything you want to do, including cloud services and secure point to point connections. It’s also available just about anywhere you can get a conventional telephone line.

DS3 or T3
The legacy upgrade path from T1 is called T3, also known as DS3 (not to be confused with cable D3). Bandwidth increases from 1.5 Mbps to 45 Mbps. That is generally enough for most small to medium size businesses. Like T1, DS3 is highly reliable with low latency, jitter and packet loss. It can be set up as a direct point to point line service as well as Internet access.

The two limitations of DS3 are the relatively high cost compared with other options and availability. The DS3 connection is a pair of coaxial copper cables, but fiber optic lines carry the signal most of the way. That means that fiber needs to be nearby for DS3 to be an option.

Ethernet over Copper
Ethernet over Copper or EoC is a direct competitor to T1. EoC uses the same twisted pair copper wires employed by T1. Multiple pairs are bonded to increase bandwidth. What EoC offers is a direct Ethernet connection to your network plus bandwidth options from 3 to 20 Mbps, even up to 50 or 100 Mbps in some locations.

Ethernet over Copper is widely available and the cost per Mbps tends to be much lower than T1 or DS3. The limitation is that you need to be located near the telco office to get the higher bandwidths. Unlike T1, EoC bandwidth rapidly decreases with distance. However, when available, Ethernet over Copper is an excellent choice for business broadband.

Ethernet over Fiber
Like EoC, EoF or Ethernet over Fiber gives you a high performance broadband service at an excellent price. As you might guess, moving from copper to fiber makes higher bandwidths available. Ethernet over Fiber bandwidth options start at 10 Mbps and go up to 100 Mbps, 1000 Mbps and 10 Gbps. In some locations you can now get 100 Gbps bandwidth if you need this service level.

Fiber has the advantage of being “future proof.” Once installed, chances are that you’ll never need further line construction. Ethernet (as opposed to legacy SONET fiber) is highly scalable. That means you can start off paying for the bandwidth you need today and then upgrade to higher levels with a simple phone call to your provider. Usually no equipment changes will be needed and you can get the increase immediately or within a short time frame compared to upgrading other services.

What broadband option is best for your business? It comes down to cost vs performance along with availability. Get the complete picture on the options for your location with competitive quotes for high speed business Internet services.

Your 50 Mbps WAN Bandwidth Options

By: John Shepler

The 50 Mbps bandwidth level has become very popular lately because of business requirements for cloud services, remote data center access, big data files, ecommerce, high resolution image transfer and video content distribution. You should know that there are several options to acquire 50 Mbps bandwidth connectivity. Let’s take a look at the advantages and limitations of each.


DS3 & T3
The classic telecom service at this level is DS3, also known as T3. It was developed by the telephone companies to transport large numbers of simultaneous calls between switching centers. DS3 actually runs at 45, not 50 Mbps, but this is close enough for many applications. DS3 is a time synchronous channel technology, not packet based. Therefore you need a DS3 interface module for your router. You may also acquire a managed router provided by your service provider to take care of this protocol conversion.

Copper / Fiber Hybrid
DS3 is actually a hybrid fiber & copper technology. It is delivered to the curb over fiber optic cable and then connected to your equipment using coaxial cables for transmit and receive. The same fiber optic cables that pass your location can also deliver true fiber bandwidth at the OC3 level. In fact DS3 likely rides as one signal on an OC3 carrier.

OC3 Fiber Optic
If you want the entire OC3 service, it runs at 155 Mbps, the equivalent of 3 DS3’s plus overhead. Some carriers will install OC3 but rate limit the bandwidth to 45 or 50 Mbps. If you don’t need more bandwidth than this, there are some cost savings involved. You may also have the option to upgrade to the full OC3 capability when you need it.

Carrier Ethernet
The new competitor to OC3 is Carrier Ethernet. This is an extension of the Ethernet that runs on your company network but scaled up for long distance transmission. The interface with your equipment is easy. You simply plug into an Ethernet connector installed by the service provider. Carrier Ethernet can be provided over twisted pair copper telco wiring or fiber optic cable. While it is possible to transmit 50 Mbps Ethernet over copper for limited distances, it is far more likely that you’ll have this service delivered over fiber.

DS3, OC3 & Ethernet Compared
Let’s compare DS3, OC3 and Ethernet over Fiber. All three will give you 45 to 50 Mbps in dedicated, symmetrical bandwidth. All three are highly reliable and come with service level agreements. DS3 and OC3 have been around longer and may be easier to find. Carrier Ethernet is newer, but where available it often has a significant cost advantage. It is also easier to scale Ethernet bandwidth up and down as you need to. Popular Ethernet bandwidths range from 10 Mbps on up to 10 Gbps, with 50 and 100 Mbps now commonly used in business.

The Cable Broadband Alternative
An alternative service called D3 or DOCSIS 3 is provided by cable companies. This is the same technology now used for residential cable broadband. The business version runs on the same cable but has options like static IP addresses and higher priority customer service. The advantage of D3 is that you get a lot of bandwidth for the money. For half what you’d pay for DS3 or Ethernet, you can get 50 Mbps business cable broadband. However this isn’t the same type of bandwidth. The total bandwidth on the cable is shared among many users, so your line speed will constantly vary. It is also asymmetrical, meaning that your download speed may be 50 Mbps, but your upload speed may be limited to 5 Mbps or so. This isn’t a problem for email or Web access, but may not work for other applications. Also, this service is provided on a “best effort” basis with no service level agreements. Availability of this service is limited to locations near the main cable run.

How to Choose?
Which type of bandwidth will work best for your business needs? Get advice and fast quotes on 50 Mbps WAN bandwidth or service from 10 Mbps on up to 10 Gbps and higher, please call toll free (888) 848-8749 or enter your inquiry.

D3 vs DS3 Bandwidth Choices

Medium and larger size companies have long chosen DS3 services to obtain the bandwidth they need for broadband Internet access. Now there’s a new player in the marketplace that is looking to complement if not displace the venerable DS3 connection.

If you need business bandwidth higher than you can get by bonding T1 lines, you already know about DS3. But how much do you know about D3?

D3 is short for DOCSIS 3.0, a cable broadband standard that gives HFC (Hybrid Fiber Cable) systems a capability that rivals fiber to the premises. It is now possible to get 50 Mbps for business use from cable systems in many cities. Some have 100 Mbps available and more will have that service offering soon. DOCSIS 3.0 can provide 152 Mbps, with even higher speeds possible. Compare that with DS3 at 45 Mbps and you can see why there is a natural competition between the services.

The raw bandwidth specs don’t tell the whole story, however. D3 and DS3 are different technologies with different characteristics. You may find that one or both of these services make sense for your business.

DS3 stands for Digital Signal, level 3. It was developed as part of the T-Carrier specification by Bell Labs for use by the telephone companies to transport up to 672 simultaneous telephone calls between phone company switching centers. When provisioned over coaxial copper lines, it is called T3 line service. If you suspect that T3 is related to T1, you are right. A T3 line can transport the equivalent of 28 T1 lines on its higher bandwidth.

DOCSIS 3.0 has a Cable TV rather than a telephone company heritage. The DOCSIS standard was developed by CableLabs (Cable Television Laboratories, Inc.) with contributions from other companies serving the cable industry. If you have Cable broadband, you are using a DOCSIS modem. It’s only a question of which version you are using. The original was DOCSIS 1.0, which has been supplanted by DOCSIS 1.1, DOCSIS 2.0 and now DOCSIS 3.0.

DS3 is based on multiplexing 672 channels of 64 Kbps each to create total bandwidth of 43 Mbps. Add the necessary synchronization and control bits and you have a bandwidth of 44.736 Mbps. Why so many channels? Each of those 64K channels is just the right size to carry one telephone call. That’s the telco heritage of DS3. Combine all the channels into one large pipe and you have nearly 45 Mbps of digital bandwidth.

D3 is also based on channels. In this case, each channel is 6 MHz wide. That’s the width of one television channel. Everything on a cable system is treated as a TV channel, so broadband services have to fit into those channels to get through the amplifiers and wiring on the system without interfering with any other channels. A 6 MHz channel can transport a 38 Mbps broadband signal in one direction. Cable operators bond channels together to get higher bandwidths. With 4 bonded channels, DOCSIS 3.0 can deliver a download speed of 152 Mbps.

So, are D3 and DS3 the same beyond their different technology heritages? Not really. The telco heritage of DS3 means that it is a dedicated symmetrical bandwidth service. You get 45 Mbps in both the upload and download directions. That bandwidth never varies. It is called dedicated because it is completely dedicated to your needs. Anytime you don’t use the full 45 Mbps, it just sits there and idles while waiting for more data.

D3 is an asymmetrical shared bandwidth service. You get different speeds in the upload and download directions. Download is faster to reflect the fact that most users download more content from the Internet than they upload. Typical business bandwidth services are 50 Mbps download and 10 Mbps upload or 100 Mbps download with 10 Mbps upload. This bandwidth is shared among many users on the system. Thus, you may experience your access speed varying all over the place depending on what other users are doing. If a lot of them are downloading movies or big software updates, everyone’s speed will be slowed.

DS3 service is generally sold with an SLA or Service Level Agreement that describes the expected performance and availability of the service, plus remedies if the provider doesn’t deliver as promised. D3 is a “best effort” service with no specific performance guarantees. Even so, it is in the provider’s best interest to provide adequate resources and service availability to keep the customers happy.

The difference in services are most dramatic when you look at the pricing. You might pay several thousand dollars a month for DS3 service with an SLA. D3 will probably cost you a tenth of that, with no guarantees. Which will work for your needs depends on if the cable system passes your business and if you can live with the variations in performance and lack of guarantees. Some companies have DS3 or even T1 lines installed for their mission critical or performance sensitive applications and D3 for general Internet access and low cost backup to their telecom services.

Are DS3, D3 or both bandwidth services right for your company? Why not talk to an expert consultant that can provide you with prices and availability of DS3, D3, and other broadband options for your business needs? There is no charge for this helpful service and you may be able to realize a considerable cost savings while achieving the same or better network performance as you have now.