A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : On Demand Tunneling For Multihoming
Author(s) : I. van Beijnum
Filename : draft-van-beijnum-multi6-odt-00.txt
Pages : 8
Date : 2004-1-12
This document describes a protocol to negotiate and subsequently use
tunnels on demand, and the use of such tunnels to achieve scalable
multihoming. The tunnels may run over either IPv4 or IPv6 transport,
and the payload may consist of any upper layer protocol that can be
used with IPv4 or IPv6. Tunnels are defined end-to-end, which means
that a single outer or 'locator' address pair maps to a single inner
or 'identifier' address pair. In order to avoid unnecessary
overhead, tunneled packets (in the absence of option headers) only
carry an outer header, an upper layer header and payload data. There
is no inner header containing the original addresses; this
information is reconstituted from the state associated with the
tunnel where required.
Additional mechanisms are used to provide basic security for the
mapping between inner and outer addresses and to avoid unnecessary
overhead and delays for short-lived sessions, and to facilitate
rehoming in the event of a reachability problem.
This document is a first draft, and as such doesn't contain a full
protocol specification as higher-level changes are expected.
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