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RFC 3373 on Three-Way Handshake for Intermediate System to Intermediate System (IS-IS) Point-to-Point Adjacencies

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        RFC 3373

        Title:	    Three-Way Handshake for Intermediate System to
                    Intermediate System (IS-IS) Point-to-Point
        Author(s):  D. Katz, R. Saluja
        Status:	    Informational
	Date:       September 2002
        Mailbox:    dkatz@juniper.net, rajesh.saluja@tenetindia.com
        Pages:      9
        Characters: 19522
        Updates/Obsoletes/SeeAlso:    None

        I-D Tag:    draft-ietf-isis-3way-06.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3373.txt

The IS-IS routing protocol (ISO 10589) requires reliable protocols at
the link layer for point-to-point links.  As a result, it does not use
a three-way handshake when establishing adjacencies on point-to-point
media.  This paper defines a backward-compatible extension to the
protocol that provides for a three-way handshake.  It is fully
interoperable with systems that do not support the extension.

Additionally, the extension allows the robust operation of more than
256 point-to-point links on a single router.

This extension has been implemented by multiple router vendors; this
paper is provided as information to the Internet community in order
to allow interoperable implementations to be built by other vendors.

This document is a product of the IS-IS for IP Internets Working Group
of the IETF.

This memo provides information for the Internet community.  It does
not specify an Internet standard of any kind.  Distribution of this
memo is unlimited.

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


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