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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 Switched Paths
signalled with zero reserved bandwidth across a link
Author(s) : J. Vasseur, et al.
Filename : draft-ietf-mpls-number-0-bw-te-lsps-05.txt
Pages : 9
Date : 2006-12-12
Several Link-type sub-TLVs have been defined for OSPF and IS-IS 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 bandwith (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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