Study: Ethernet in the city cuts carrier costs

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Ethernet is good but NOT a panacea

Ethernet excels in a workgroup and corporate/campus settings where data are busrty and there are no real-time constraints for the connections. It is not a panacea though.

Telephone, audio, video and similar services require transport services that can provide basic guarantess for transfer delays and jitter. Ethernet cannot handle this by itself. ATM can offer these guarantees.

On the other hand, traditional data services can be handled more efficiently and natuarally if the organizations connect to the Internet via ethernet type of L2 links. The problem lies with the local carriers which refuse to allow anything else but TP or T-1 links to customers' sites. Fiber to the office/home is the next step. This will remove the bottleneck in the connectivity. 1000BaseF and the upcomming 10GBaseF ethernets could be directly deployes as soon as fiber becomes available to the user sites.

So it is a good move, but again an ethernet-only solution for non-data communications will create more headaches that it will remove.


-m

Posted by: michael-t   Posted on: 01/25/04 You are currently: a Guest | Members login | Terms of Use

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