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To: hedgeclipper who wrote (42210)9/28/2004 6:58:52 PM
From: Frank A. Coluccio  Read Replies (1) | Respond to of 42804
 
Optical Ethernet bridges the gap from provider to customer

[ From Lightwave Magazine ]

Until recently, Ethernet was not considered a viable alternative to existing access solutions -- but a new standard promises to make believers out of service providers.

By Todd Rope and Troy Larsen
MRV Communications Inc.

The initiatives of the Metro Ethernet Forum and the newly ratified IEEE 802.3ah standard are giving credibility to Ethernet as a viable option for first-mile access. The defining of subscriber access topologies, copper and fiber physical layer specifications, and common operations, administration, and maintenance (OAM) support enable service providers to reduce capital and operating expenses while expanding revenue-generating service offerings.

The IEEE 802.3ah standard addresses the needs of service providers while bringing the benefits of Ethernet to the challenge of first-mile deployment. The term "first mile," of course, refers to the important link connecting the service provider with the business or residential subscriber. Existing approaches have faced a number of significant challenges, including performance bottlenecks, limited bandwidth upgrades, configuration complexity, and expense. For those reasons, Ethernet is now being considered as a viable alternative.

From humble beginnings to new standards


continued at:

lw.pennnet.com