Should You Use Ethernet For Your Voice & Data Network?
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Home Page > Technology > Communication > Should You Use Ethernet For Your Voice & Data Network?
Should You Use Ethernet For Your Voice & Data Network?
Posted: Oct 22, 2009 |Comments: 0
|
It seems that whenever you talk about an upgrade or new installation of a company’s voice/data network these days you hear the buzz word “ethernet” sometime in the conversation. With all the buzz… should you seriously consider ethernet in the mix for your network solution?
Now think about that for a moment. Are you just “jumping on the bandwagon”… or is there some truth to all this hullabaloo?
To answer that let’s get serious for a moment… no gushing idol worship. Just facts.
First …. it’s very clear that today Ethernet has gone from a nice to have option to the preferred choice for WAN (Wide Area Networks) access links. Many companies also use it in their backbone for IP connectivity. So the question often is “why not Ethernet” ….. rather than “should you use it.”
For example it is increasing commonplace that in a campus network just about all high bandwidth communications is Ethernet based. Also many things that used to be separate such as voice, CCTV, security/card locks can be migrated. Although you might need something to drive the migration. Can someone say cost savings??? Don’t forget scalability with future technologies and increased performance efficiency too. All three will go over very well with your Big Boss …. and your shareholders.
If you need a few bullet points to drive home this message to that audience …. try using these:
- You really don’t need a router. It is simply an Ethernet Handoff to your network.
- As you increase in bandwidth …. the per meg price goes down much quicker than with DS3 or OC3 bandwidth.
- For off-net/on-net sites Ethernet can be much cheaper than standard DS3 or OC3 bandwidth …. because you do not have to deal with loop costs.
However, I don’t think Ethernet is really the common denominator, but IP (which tends to use Ethernet in most places). Since that means you don’t need Ethernet everywhere and you can integrate useful technologies you might need – MPLS, VSAT, ADSL, and DS3 for example.
Be aware though that some parts of networks are likely to not be Ethernet compatible for a long time. The issue with “everything must be xx” is not whether you can get xx (sic Ethernet) in most places, but how to cope with the last few “hold outs”.
A definite pro is that ethernet remains a layer 2 service. Which if you buy from a carrier means that you are in control of the routing. Whereas if you take an IP VPN service this will impact your internal routing configuration. Layer 2, Ethernet based connectivity between sites gives a lot of flexibility and often improved latency/jitter performance.
So if you’re using IP today on SDH services then a migration to Ethernet should be a lot simpler. But again this depends on the scenario. Most carriers now use Ethernet as the last mile and also for backbone connectivity. This has provided higher speeds without the capital outlay …. and has the requisite reliability you should expect.
I also wouldn’t use Spanning Tree and so would rely on the Network Layer to take the path decisions …. as this is a lot more deterministic and saves having multiple different protocols performing on the fly updates. Any IP application including voice and video should run just the same as over SDH …. but Ethernet would give you the options of putting Voice into it’s own VLAN. Controlling bandwidth in this manner …. incorporating Ethernet …. should be so much cheaper. You could over engineer the backbone and keep things simple.
There are no real drawbacks using Ethernet in my mind …. and I personally believe that this would give you more flexibility than either a traditional SDH structure or an IP VPN based network.
The only Cons I can think of relate to the maintenance and troubleshooting of the network. Depending on your architecture and design, it may be a nightmare to maintain the network. For example, point-to-point is simple, but rings and mesh is challenging and will require clever and flawless design.
You really need to design and test the network carefully. You need to be aware of the type of services you will be running. Such as constant traffic, bursty traffic, low-latency traffic etc… as all of that will impact on your network and will require careful configurations. You need to have your QoS (Quality of Service) planned accurately if working with VLAN’s or different types/classes of traffic.
Designed correctly, Ethernet models work well, but poorly implemented ones often have challenges. Its important for you to understand that Ethernet based WAN is not simply “plug-n-play”. It requires additional planning and setup.
Overall I think there are many more pros than cons for choosing ethernet for your voice/data network . We are seeing lots of improvements to Ethernet these days via various industry working groups ….. as well as evolving packet transport technologies such as MPLS-TP and PBB-TE. So the future of etherent looks even brighter.
To get right to the point ….. I would not hesitate to recommend Ethernet as a viable solution. It is a cheap and scalable solution.
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Michael Lemm -
About the Author:
Michael is the owner of FreedomFire Communications….including Business-VoIP-Solution.com. Michael also authors Broadband Nation where you’re always welcome to drop in and catch up on the latest BroadBand news, tips, insights, and ramblings for the masses.
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ethernet bandwidth, bandwidth solution, data network, data traffic, transmit data, ethernet network
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Network Security ….. MPLS Is A Better Choice Than Traditional VPN
Today’s businesses expect a lot when it comes to their data networks. Speed, reliability, robustness, and scalability are just a few of the performance parameters with high standards from business users. One area in particular requiring special emphasis is security. Choosing the right network infrastructure is critical to ensuring that your security requirements are met end to end …. and everywhere in between.
By:
Michael Lemml
Computers>
Information Technologyl
Jul 19, 2010
The Facts About Business Internet Costs
The whole thing about internet pricing does not make any sense to most businesses. That too often includes those who should understand it the best. The computer support staff, in house “computer guy”, or IT cadre. But the key person needing an education is the decision maker. That person who will ultimately decide what solution your company will choose. This is for “them”.
By:
Michael Lemml
Computers>
Information Technologyl
Jul 19, 2010
Understanding what a bonded T1 is, and what it brings to the table, is not as complicated as some people make it out to be. For T1 bandwidth specifically, your choices are fractional T1, T1, and bonded T1. In other words …. part of a T1, a full T1 line, or X number of T1s connected to deliver whatever bandwidth capacity you need met.
By:
Michael Lemml
Computers>
Information Technologyl
Jun 16, 2010
Warning ….. Be Careful When Looking For A Hosted PBX Business VoIP Solution
As popular as Hosted PBX seems to be today for a business VoIP solution ….. you need to tread lightly during the decision process or risk making a costly mistake. If you don’t pay attention to the details you’ll likely be very unhappy with the results.
By:
Michael Lemml
Technology>
VoIPl
Jun 16, 2010
lComments: 1
Benefits Of Business Ethernet For A Wide Area Network (WAN) Design
The choices today for Wide Area Network (WAN) design are wide and varied. No pun intended. Relying on the same old legacy options is no longer necessary with the maturation of Business Ethernet interconnectivity.
By:
Michael Lemml
Computers>
Information Technologyl
Jun 14, 2010
When deciding what technology to adopt for your computer network every business must understand the basics of that thought process. The truth is there’s benefits and drawbacks to each option. Choosing the right one can be complicated. So you’ll need to consider several factors before making a final decision.
By:
Michael Lemml
Computers>
Information Technologyl
Jun 10, 2010
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Michael is the owner of FreedomFire Communications….including Business-VoIP-Solution.com. Michael also authors Broadband Nation where you’re always welcome to drop in and catch up on the latest BroadBand news, tips, insights, and ramblings for the masses.
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