[homenet] other routing options

["Howard, Lee" <[e-mail]>]

Ray asked for people to post drafts for anything other than OSPF, because without an alternative, it will appear that we have consensus on OSPF.  I haven't posted a draft on RIPng, because it would just work the way it's designed.

A few people said  http://tools.ietf.org/html/draft-howard-up-pio-00 is no better than RIP, and we already have RIP in home gateways.  Can any gateway vendor confirm whether RIPng is already in gateways?

Proposed alternatives are:
* OSPFv3.  It's heavyweight for home routing.  We still need a way to find the border and inject default.  It could be used for DHCP-PD.
* zOSPF.  It requires resurrecting work.  I don't how much work it needs, or how big the protocol is.
* UP PIO.  It's new work, and requires work.  It's lightweight, and solves the border problem, but not addressing.
* RIPng.  It's fairly lightweight, and it exists.  It solves only the routing problem.
* MANEMO.  It requires resurrecting work, is pretty lightweight, and solves addressing and border problems.

If you argue that we should reuse existing protocols (per the architecture draft), your choices are OSPFv3 or RIPng.  I really don't like OSPFv3 in the home--it's too much protocol, though if someone can tell me about memory footprint, that would be helpful.

I also prefer draft-baker-homenet-prefix-assignment, so we don't need OSPF for addressing.

Any discussion?

Lee


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