A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Fast End-to-End Restoration Mechanism with SRLG
using Centralized Control
Author(s) : J. Choi, et al.
Filename : draft-choi-pce-e2e-centralized-restoration-srlg-00.txt
Pages : 14
Date : 2004-7-14
This draft describes the concept of the Shared Link Risk Group (SRLG)
based logical ring configuration and recovery method using ring
SRLG for the purpose of restoration in mesh networks. In this
restoration architecture, backup paths can be easily established
through the end-to-end path which follows from the logical ring
configuration. It guarantees the establishment of backup path disjoint
from the working path at all levels. To take advantage of bandwidth
considerations and fast restoration mechanisms, a centralized Controller
is used to provide dedicated protection to Optical Transport Networks
using the SRLG concept. The Controller determines the logical rings over
mesh optical networks and distributes information about primary and
backup paths to the nodes in the optical transport layer.
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