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This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.
Title : A Link-Type sub-TLV to convey the number of
Traffic Engineering Label Switch Paths
signalled signalled with zero reserved bandwidth across a link
Author(s) : J. Vasseur, et al.
Filename : draft-ietf-mpls-number-0-bw-te-lsps-03.txt
Pages : 9
Date : 2006-12-1
Several Link-type sub-TLVs have been defined for OSPF and ISIS in the context of Multiprotocol Label Switching (MPLS) Traffic Engineering
(TE) in order to advertise some link characteristics such as the
available bandwidth, traffic engineering metric, administrative group
and so on. By making statistical assumption on the aggregated
traffic carried onto a set of TE Label Switched Paths (LSPs)
signalled with zero bandwdith (referred to as unconstrained TE LSP in
this document), and with the knowledge of the number of unconstrained
TE LSPs signalled across a link, algorithms can be designed to load
balance (existing or newly configured) unconstrained TE LSP across a
set of equal cost paths. This requires the knowledge of the number
of unconstrained TE LSPs signalled across a link. This document
specifies a new Link-type Traffic Engineering sub-TLV used to
advertise the number of unconstrained TE LSP(s) signalled across a
link.
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