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).
Authors : Dhruv Dhody
Qin Wu
Vishwas Manral
Zafar Ali
Kenji Kumaki
Filename : draft-ietf-pce-pcep-service-aware-08.txt
Pages : 26
Date : 2015-10-06
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 are
becoming key requirements for path computation along with other
constraints and metrics. These metrics are associated with the
Service Level Agreement (SLA) between customers and service
providers. The Link Bandwidth Utilization (the total bandwidth of a
link in current use for the forwarding) is another important factor
to consider during path computation.
IGP Traffic Engineering (TE) Metric extensions describes mechanisms
with which network performance information is distributed via OSPF
and IS-IS 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, Packet Loss, and Link
Bandwidth Utilization 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:
https://tools.ietf.org/html/draft-ietf-pce-pcep-service-aware-08
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-pce-pcep-service-aware-08
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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