I-D ACTION:draft-boyle-tewg-interarea-reqts-00.txt

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	Title		: Requirements for support of Inter-Area and Inter-AS 
                          MPLS Traffic Engineering
	Author(s)	: J. Boyle
	Filename	: draft-boyle-tewg-interarea-reqts-00.txt
	Pages		: 9
	Date		: 2003-6-24
	
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 so-found to be useful and
possible.  This document first breaks down some of the current
applications of MPLS TE, and then it addresses how these might be
used (or precluded) across IGP areas or AS boundaries.

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