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Re: [PATCHSET] Mobile IPv6 for 2.5.43

To: Antti Tuominen <ajtuomin@xxxxxxxxxxxxxxxxxxx>
Subject: Re: [PATCHSET] Mobile IPv6 for 2.5.43
From: Pekka Savola <pekkas@xxxxxxxxxx>
Date: Thu, 17 Oct 2002 23:14:32 +0300 (EEST)
Cc: davem@xxxxxxxxxx, <kuznet@xxxxxxxxxxxxx>, <netdev@xxxxxxxxxxx>, <linux-kernel@xxxxxxxxxxxxxxx>, <yoshfuji@xxxxxxxxxx>, <torvalds@xxxxxxxxxxxxx>, <jagana@xxxxxxxxxx>
In-reply-to: <20021017162624.GC16370@xxxxxxxxxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
On Thu, 17 Oct 2002, Antti Tuominen wrote:
> Intermediate revision of the specification "Draft 18++" appeared a few
> days ago, which addressed most of the issues with earlier drafts (16,
> 17, 18).  This made it possible to update our code to something usable
> (later than 15).  This patch set has support for most of it.

Sounds great.  Hopefully it slows down a bit from being a moving target.
 
> To Alexey, (and everyone else)
> 
> The patch has been split for easier reading as follows:
> 
> ipv6_tunnel.patch     6over6 tunneling
> network_mods.patch    Modifications to network code and hooks
> mipv6_cn_support.patch        Correspondent node support (+common code)
> mipv6_mn_support.patch        Mobile node support (+common code with HA)
> mipv6_ha_support.patch        Home agent support

I didn't look at these that much, but I'll make two generic observations:

 1) current tunneling (including sanity checks which are, I believe, a bit
non-existant at the moment) should be generalized to handle v6-in-v6 and
v6-in-v4 tunneling anyway.  Not sure if this is the right way, but that's
IMO one priority item.

 2) without IPSEC, there is no way to secure MN-HA traffic.  Therefore I 
think the first priority is being able to support Correspondent Node 
behaviour.

I belive Alexey, Davem et al are best to justify whether this feels like a 
right approach.

Having IPSEC + MIPv6 in 2.6 series would be Really Cool, though :-)

-- 
Pekka Savola                 "Tell me of difficulties surmounted,
Netcore Oy                   not those you stumble over and fall"
Systems. Networks. Security.  -- Robert Jordan: A Crown of Swords


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