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Re: [homenet] Multilink subnet routing (MLSRv2)

Wes Beebee <wbeebee@cisco.com> Tue, 11 October 2011 13:46 UTC

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Date: Tue, 11 Oct 2011 09:46:55 -0400
From: Wes Beebee <wbeebee@cisco.com>
To: curtis@occnc.com, Ole Troan <ot@cisco.com>
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Thread-Topic: [homenet] Multilink subnet routing (MLSRv2)
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Cc: Erik Nordmark <nordmark@cisco.com>, homenet@ietf.org
Subject: Re: [homenet] Multilink subnet routing (MLSRv2)
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> Having missed the meeting, anything more recent on MLSR than this:
> 
>   draft-ietf-ipv6-multilink-subnets-00
>   Multi-link Subnet Support in IPv6 (2002-07-08, Expired)
> 
>   draft-thaler-ipngwg-multilink-subnets-02
>   Multi-link Subnet Support in IPv6 (2001-11-29, Expired)
> 
> The only reference to MLSR in an RFC is in an IAB RFC, RFC4903:
> 
>    There was also a proposal to define multi-link subnets [MLSR] for
>    IPv6.  However, this notion was abandoned by the IPv6 WG due to the
>    issues discussed in this memo, and that proposal was replaced by a
>    different mechanism that preserves the notion that a subnet spans
>    only one link [RFC4389].

Note that there is a subset of the multi-link subnet problem that can be
solved using an "off-link" model as described in RFC 5942, and is currently
deployed in DOCSIS networks.

- Wes

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