[rfc-dist] RFC 4558 on Node-ID Based Resource Reservation Protocol (RSVP) Hello: A Clarification Statement

rfc-editor@rfc-editor.org rfc-editor at rfc-editor.org
Thu Jun 15 17:43:24 PDT 2006

A new Request for Comments is now available in online RFC libraries.

        RFC 4558

        Title:      Node-ID Based Resource Reservation Protocol 
                    (RSVP) Hello: A Clarification Statement 
        Author:     Z. Ali, R. Rahman,
                    D. Prairie, D. Papadimitriou
        Status:     Standards Track
        Date:       June 2006
        Mailbox:    zali at cisco.com, 
                    rrahman at cisco.com, 
                    dprairie at cisco.com,  dimitri.papadimitriou at alcatel.be
        Pages:      7
        Characters: 14185
        Updates/Obsoletes/SeeAlso:   None

        I-D Tag:    draft-ietf-ccamp-rsvp-node-id-based-hello-02.txt

        URL:        http://www.rfc-editor.org/rfc/rfc4558.txt

Use of Node-ID based Resource Reservation Protocol (RSVP) Hello
messages is implied in a number of cases, e.g., when data and control
planes are separated, when TE links are unnumbered.  Furthermore, when
link level failure detection is performed by some means other than
exchanging RSVP Hello messages, use of a Node-ID based Hello session is
optimal for detecting signaling adjacency failure for Resource
reSerVation Protocol-Traffic Engineering (RSVP-TE).  Nonetheless, this
implied behavior is unclear, and this document formalizes use of
the Node-ID based RSVP Hello session in some scenarios.  The procedure
described in this document applies to both Multi-Protocol Label
Switching (MPLS) and Generalized MPLS (GMPLS) capable nodes.  [STANDARDS 

This document is a product of the Common Control and Measurement Plane
Working Group of the IETF.

This is now a Proposed Standard Protocol.

STANDARDS TRACK: This document specifies an Internet standards track
protocol for the Internet community,and requests discussion and 
suggestions for improvements.Please refer to the current edition of the 
Internet Official Protocol Standards (STD 1) for the standardization 
state and status of this protocol.  Distribution of this memo is 

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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute


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