Re: [dhcwg] Internet Drafts to be reviewed by the dhc WG

Tim Chown <tjc@ecs.soton.ac.uk> Tue, 06 April 2004 16:46 UTC

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Date: Tue, 06 Apr 2004 14:22:41 +0100
From: Tim Chown <tjc@ecs.soton.ac.uk>
To: Martin Stiemerling <stiemerling@netlab.nec.de>
Cc: Ralph Droms <rdroms@cisco.com>, dhcwg@ietf.org, margaret@thingmagic.com, narten@us.ibm.com, Melinda Shore <mshore@cisco.com>
Subject: Re: [dhcwg] Internet Drafts to be reviewed by the dhc WG
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On Tue, Apr 06, 2004 at 10:54:54AM +0200, Martin Stiemerling wrote:
> |
> |   "Entities using the Midcom Protocol need to know the
> |    presence of Midcom middleboxes, such as firewalls and network address
> |    translators, in order to enable communication across theses devices.
> |    A DHCPv6 option provides a means for these entities to determine the
> |    Midcom middleboxes IPv6 address or the domain name."
> |
> | But that text is cut and paste from the IPv4 version of the draft.
> | Perhaps the v6 version can omit mention of translators? (If people use
> | it for that, so be it, but we're not then "suggesting" it...)
> 
> The text gives the freedom to read it different ways. As a MIDCOM guy I do 
> read it as "the configuration protocol's endpoint address might be IPv6 
> capable, but not the middlebox engine (=firewall and/or NAT)".
> But indeed I see the point of given a more elaborated text.

I guess you're too close to the protocol to read it without assumptions :)

"Midcom middleboxes, such as firewalls and network address translators"
then
"Midcom middleboxes IPv6 address"
implies IPv6 NAT...

Just take the NAT reference out for the IPv6 option?

Tim

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