A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Requirements for support of Inter-Area and Inter-AS MPLS Traffic Engineering
Author(s) : J. Boyle
Filename : draft-boyle-tewg-interarea-reqts-01.txt
Pages : 9
Date : 2003-12-15
Traffic engineering using MPLS within a single IGP area has become
quite prevalent in networks today. This gives a network operator
several advantages, including better traffic measurement
capabilities, faster restoration times, and of course the ability
to better manage congestion points within their network. However,
the current uses have been limited to one IGP area. OSPF based
networks usually do traffic engineering only in their backbone
area, and many ISIS networks still operate at a single level. It
would be useful to be able to extend these capabilities across
hierarchical areas within a single IGP, as well as to be able to
extend across AS boundaries if it is found to be useful and
possible. This document first considers current applications of
MPLS traffic engineering (TE), and then it addresses how these
might be used (or precluded) across IGP areas. For the purposes
of this document, IGP areas refers both to OSPF areas and ISIS
multi-level hierarchies. Requirements for Inter-AS TE can be
found in [INTER-AS-TE].
Please direct comments on this document to te-wg@ops.ietf.org
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