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Subject: Re: IPv6 inside UDP inside IPv4 [Ethernet not an option]
From: Harald Koch <chk,AT,pobox,DOT,com>
Date: Wed, 18 Dec 2002 19:35:43 +0100
In-reply-to: <B17EB7B34580D311BE38525405DF623201318B12@atc-mail-db.atctraining.com.au>

> I was also aware this option existed.  I should perhaps have
> specifically said that this isn't what I wanted.  I see little point in
> having IPv6/Ethernet/UDP/IPv4 instead of IPv6/IPv4/UDP/IPv4.  The
> Ethernet framing is very useful for making two LANs seem like they're
> bridged, but for reducing the number of layers, it's not so useful.

Ah, ok. The other solution that I know of is to use IPsec; that would
give you IPv6/ESP/IPv4 (and ESP packets are relatively small). Of
course, that doesn't work if you need the "over UDP" part, i.e. to get
past firewalls.

FreeSWAN claims IPv6 support... http://www.freeswan.org/

-- 
Harald Koch     <chk,AT,pobox,DOT,com>





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