A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Path Computation Element Working Group of the IETF.
Title : Extensions to the Path Computation Element Communication Protocol (PCEP) to compute service aware Label Switched Path (LSP).
Author(s) : Dhruv Dhody
Vishwas Manral
Zafar Ali
George Swallow
Kenji Kumaki
Filename : draft-ietf-pce-pcep-service-aware-01.txt
Pages : 18
Date : 2013-07-09
Abstract:
In certain networks like financial information network (stock/
commodity trading) and enterprises using cloud based applications,
Latency (delay), Latency-Variation (jitter) and Packet Loss is
becoming a key requirement for path computation along with other
constraints and metrics. Latency, Latency-Variation and Packet Loss
is associated with the Service Level Agreement (SLA) between
customers and service providers.
[OSPF-TE-EXPRESS] and [ISIS-TE-EXPRESS] describes mechanisms with
which network performance information is distributed via OSPF and
ISIS respectively. The Path Computation Element Communication
Protocol (PCEP) provides mechanisms for Path Computation Elements
(PCEs) to perform path computations in response to Path Computation
Clients (PCCs) requests. This document describes the extension to
PCEP to carry Latency, Latency-Variation and Loss as constraints for
end to end path computation.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-pce-pcep-service-aware
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-pce-pcep-service-aware-01
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-service-aware-01
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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