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This draft is a work item of the Transport Area Working Group Working Group of the IETF.
Title : RSVP Proxy Approaches
Author(s) : F. Le Faucheur, et al.
Filename : draft-ietf-tsvwg-rsvp-proxy-approaches-01.txt
Pages : 43
Date : 2007-7-11
RSVP signaling can be used to make end-to-end resource reservations
in an IP network in order to guarantee the Quality of Service
required by certain flows. With conventional RSVP, both the data
sender and receiver of a given flow take part in RSVP signaling.
Yet, there are many use cases where resource reservation is required,
but the receiver, the sender, or both, is not RSVP-capable. This
document presents RSVP Proxy behaviors allowing RSVP routers to
perform RSVP signaling on behalf of a receiver or a sender that is
not RSVP-capable. This allows resource reservations to be
established on critical parts of the end-to-end path. This document
reviews conceptual approaches for deploying RSVP Proxies and
discusses how RSVP reservations can be synchronized with application
requirements, despite the sender, receiver, or both not participating
in RSVP. This document also points out where extensions to RSVP (or
to other protocols) may be needed for deployment of a given RSVP
Proxy approach. However, such extensions are outside the scope of
this document. Finally, practical use cases for RSVP Proxy are
described.
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