[rfc-dist] RFC 3706 on A Traffic-Based Method of Detecting Dead Internet

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Thu, 19 Feb 2004 10:55:54 -0800


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        RFC 3706

        Title:      A Traffic-Based Method of Detecting Dead Internet
                    Key Exchange (IKE) Peers
        Author(s):  G. Huang, S. Beaulieu, D. Rochefort
        Status:     Informational
        Date:       February 2004
        Mailbox:    ghuang@cisco.com, stephane@cisco.com,
                    danyr@cisco.com
        Pages:      13
        Characters: 30196
        Updates/Obsoletes/SeeAlso:    None

        I-D Tag:    draft-ietf-ipsec-dpd-04.txt

        URL:        ftp://ftp.rfc-editor.org/in-notes/rfc3706.txt


This document describes the method detecting a dead Internet Key
Exchange (IKE) peer that is presently in use by a number of vendors.
The method, called Dead Peer Detection (DPD) uses IPSec traffic
patterns to minimize the number of IKE messages that are needed to
confirm liveness.  DPD, like other keepalive mechanisms, is needed to
determine when to perform IKE peer failover, and to reclaim lost
resources.

This document is a product of the IP Security Protocol 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
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Joyce K. Reynolds and Sandy Ginoza
USC/Information Sciences Institute

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