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Re: [Softwires] Softwires configuration via DHCP

Francois-Xavier Le Bail <fx.lebail@yahoo.com> Thu, 19 March 2009 18:43 UTC

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Date: Thu, 19 Mar 2009 11:44:22 -0700
From: Francois-Xavier Le Bail <fx.lebail@yahoo.com>
To: softwires@ietf.org, "David W. Hankins" <David_Hankins@isc.org>
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Subject: Re: [Softwires] Softwires configuration via DHCP
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--- On Thu, 3/19/09, David W. Hankins <David_Hankins@isc.org> wrote:

> > The first use case is "Dual-stack lite" but
> the same option can be used for IPv6 in IPv6 tunnels (see
> RFC2473).
> 
> How would a client know which one to configure?  How would
> a server
> know which ones the client supports?
> 
> I think it would work better to have a different option for
> each use
> case scenario ("a different protocol field for every
> OS knob").  The
> client then advertises what configuration values it can use
> (by
> listing any it supports on the Option Request Option).
> 

Agreed.

I suggest to change in the draft the reference from "draft-droms-softwires-snat-01" to the new "draft-ietf-softwire-dual-stack-lite-00".

and to name the option : OPTION_DSLITE.

Francois-Xavier

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