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To: Frank A. Coluccio who wrote (1659)	12/2/2000 10:51:52 AM
From: ahhaha	Read Replies (1) \| Respond to of 2249

At what price reliability and consistency? At a price lower than all the alternatives and at a cost advantage that improves in scale. it's useful to remember that despite their claims centering on mesh, they are still able to build networks the old way for those who prefer SONET rings This is the phenomenon of backward mental compatibility for those who cling to technology of the past because they fear the challenges of the future. The SONET ring is superfluous even for redundancy. Redundancy is built into the mesh topology where alternative access differentially loaded routes can be invoked in software either automatically or through operator override. Maybe SONET is for the sentimental, but no carrier will be able to survive installing that kind of rigging.

To: Frank A. Coluccio who wrote (1659)	12/3/2000 6:03:34 PM
From: GraceZ	Read Replies (2) \| Respond to of 2249

Note author. Salt shaker not included.... Point-to-point, ring-based fiber optic networks based on SONET/SDH are no longer sufficient to carry and manage the rapid growth in data communications traffic we’ve been witnessing over the past few years. Long, convoluted deployment cycles; costly and unnecessary protection allocation; and inflexible contracts and service level agreements (SLAs) locking customers into commitments they don’t need are just a few of the issues precluding the SONET/SDH infrastructure from satisfying the complex needs of the new economy. lightreading.com Nice little tutorial on mesh: iec.org