Generalized MPLS (GMPLS) RSVP-TE Signaling Extensions in support of Calls

Document Type Replaced Internet-Draft (individual)
Authors Dimitri Papadimitriou  , Adrian Farrel 
Last updated 2006-04-26 (latest revision 2005-11-28)
Replaced by RFC 4974
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IESG IESG state Replaced by draft-ietf-ccamp-gmpls-rsvp-te-call
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


In certain networking topologies it may be advantageous to maintain associations between endpoints and key transit points to support an instance of a service. Such associations are known as Calls. A Call does not provide the actual connectivity for transmitting user traffic, but only builds a relationship by which subsequent connections may be made. In Generalized MPLS (GMPLS) such connections are known as Label Switched Paths (LSPs). This document specifies how GMPLS RSVP-TE signaling may be used and extended to support Calls. These mechanisms provide full and logical Call/Connection separation. The mechanisms proposed in this document are applicable to any environment (including multi-area), and for any type of interface: packet, layer-2, time-division multiplexed, lambda or fiber switching.


Dimitri Papadimitriou (
Adrian Farrel (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)