Re: [Hipsec] Eric Rescorla's Discuss on draft-ietf-hip-native-nat-traversal-28: (with DISCUSS and COMMENT)

Christer Holmberg <christer.holmberg@ericsson.com> Sun, 06 May 2018 19:05 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Eric Rescorla <ekr@rtfm.com>
CC: The IESG <iesg@ietf.org>, "hipsec@ietf.org" <hipsec@ietf.org>, "draft-ietf-hip-native-nat-traversal@ietf.org" <draft-ietf-hip-native-nat-traversal@ietf.org>, "hip-chairs@ietf.org" <hip-chairs@ietf.org>
Thread-Topic: [Hipsec] Eric Rescorla's Discuss on draft-ietf-hip-native-nat-traversal-28: (with DISCUSS and COMMENT)
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Date: Sun, 06 May 2018 19:05:42 +0000
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Subject: Re: [Hipsec] Eric Rescorla's Discuss on draft-ietf-hip-native-nat-traversal-28: (with DISCUSS and COMMENT)
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Hi,

The question is whether this document should re-define the HIP variations to ICE that RFC 5770 already does.

Regards,

Christer

Sent from my iPhone

On 6 May 2018, at 22.01, Eric Rescorla <ekr@rtfm.com<mailto:ekr@rtfm.com>> wrote:



On Sun, May 6, 2018 at 10:19 AM, Christer Holmberg <christer.holmberg@ericsson.com<mailto:christer.holmberg@ericsson.com>> wrote:
Hi,

> I am very familiar with ICE and yet I found this document extremely hard to follow. The problem is that it cherry-picks pieces
> of ICE and I'm just not sure that it's a complete specification when put all together. I have noted a number of places where I
> actually am not sure how to implement something, and fixing those will resolve this DISCUSS, but IMO you really should totally
> rewrite this document either (a) as a variant of ICE or (b) as an entirely new document not with a pile of new text and then
> references out to ICE sections.

I haven't been involved in the work on this draft, so I may be wrong, but I did review the document and my understanding is that RFC 5770 is the "variant of ICE", and this document is a modification/extension to RFC 5770.

This document is a variant of ICE in the sense that it is ICE-like and explicitly depends on quite a bit of ICE.

-Ekr


Regards,

Christer