Name: draft-nordmark-multi6dt-shim-00
Title: Multihoming L3 Shim Approach
State: Active
Authors: Erik Nordmark
Group: Individual Submissions (none)
Date: 2004-10-18
This document outlines an approach to solving IPv6 multihoming in order to
stimulate discussion. The approach is based on using a multi6 shim placed
between the IP endpoint sublayer and the IP routing sublayer, and, at least
initially, using routable IP locators as the identifiers visible above the
shim layer. The approach does not introduce a "stack name" type of
identifier, instead it ensures that all upper layer protocols can operate
unmodified in a multihomed setting while still seeing a stable IPv6
address. This document does not specify the mechanism for authenticating
and authorizing the "rehoming" - this is specified in the HBA document. Nor
does it specify the messages used to establish multihoming state. The
document does not even specify the packet format used for the data packets.
Instead it discusses the issue of receive side demultiplexing and the
different tradeoffs. The resolution of this issue will effect the packet
format for the data packets.
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