A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.
Title : Component Link Recording and Resource Control for TE Link Bundles
Author(s) : I. Property
Filename : draft-ietf-mpls-explicit-resource-control-bundle-04.txt
Pages : 12
Date : 2008-07-06
Record Route is a useful administrative tool that has been used
extensively by the service providers. However, when TE links are
bundled, identification of label resource in Record Route Object
(RRO) is not enough for the administrative purpose. Network service
A.Zamfir et al. - Expires Janury 2009
[page 1]
Component Link Record. & Resource Control for TE Link Bundles Jul.2008
providers would like to know the component link within a TE link that
is being used by a given LSP. In other words, when link bundling is
used, resource recording requires mechanisms to specify the component
link identifier, along with the TE link identifier and Label. As it
is not possible to record component link in the RRO, this draft
defines the extensions to RSVP-TE [RFC3209] and [RFC3473] to specify
component link identifiers for resource recording purposes.
This draft also defines the Explicit Route Object (ERO) counterpart
of the RRO extension. The ERO extensions are needed to perform
explicit label/ resource control over bundled TE link. Hence, this
document defines the extensions to RSVP-TE [RFC3209] and [RFC3473] to
specify component link identifiers for explicit resource control and
recording over TE link bundles.
Conventions used in this document
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
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