A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : PCE Communication Protocol Application Model
Author(s) : R. Zhang, D. Li
Filename : draft-zhang-pce-comm-app-model-01.txt
Pages : 10
Date : 2005-6-28
In an environment where multiple PCEs are responsible for computing
paths in a domain, there is a greater possibility of race conditions
compared to traditional methods. Fast convergence of network state,
e.g. TED, LSPs, is more important for PCEs. Furthermore, load
balancing of computation should be considered among these PCEs.
This document is not intended to provide a detailed description of
all the architectural components of the PCE communication protocol.
Rather, it specifies the Global Computing Table (GCT) along with
corresponding mechanisms and procedures to resolve some predictable
problems in PCEs, especially in situations where multiple PCEs are
responsible for computing TE LSPs path in a domain. It is hoped that
these mechanisms can cooperate with the PCE communication protocol to
improve the abilities of the protocol.
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