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I-D ACTION:draft-ietf-issll-rsvp-aggr-03.txt



A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Integrated Services over Specific Link Layers Working Group of the IETF.

	Title		: RSVP  Reservations Aggregation
	Author(s)	: F. Baker, C. Iturralde, F. Le Faucheur, B. Davie
	Filename	: draft-ietf-issll-rsvp-aggr-03.txt
	Pages		: 41
	Date		: 28-Feb-01
	
A key	problem	in the design of RSVP version 1	is, as noted in
its applicability statement, that it lacks facilities	for
aggregation of individual reserved sessions into a common
class. The use of such aggregation is	required for
scalability.
This document	describes the use of a single RSVP reservation
to aggregate other RSVP reservations across a	transit	routing
region, in a manner conceptually similar to the use of Virtual
Paths	in an ATM network. It proposes a way to	dynamically
create the aggregate reservation, classify the traffic for
which	the aggregate reservation applies, determine how much
bandwidth is needed to achieve the requirement, and recover
the bandwidth	when the sub-reservations are no longer
required. It also contains recommendations concerning
algorithms and policies for predictive reservations.

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