Re: [v6ops] new draft: draft-yc-v6ops-solicited-ra-unicast

Tarko Tikan <tarko@lanparty.ee> Mon, 20 July 2015 19:01 UTC

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From: Tarko Tikan <tarko@lanparty.ee>
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Date: Mon, 20 Jul 2015 22:00:44 +0300
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Subject: Re: [v6ops] new draft: draft-yc-v6ops-solicited-ra-unicast
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hey,

> What's the use case for a unicast unsolicited RA? They can only reach
> nodes for which the router knows the IPv6 addresses, and so pretty much
> require that routers keep a lot of state.

Another use case, not directly relevant to this draft, is targeting 
specific nodes for which RA should be injected.

This is required in shared L2 environments where you don't want to 
enable ipv6 for all nodes. This requires router to keep some sort of 
state or use external lookup (radius).

-- 
tarko