Re: [rtcweb] NAT / firewall use cases

Bernard Aboba <bernard_aboba@hotmail.com> Tue, 26 July 2011 18:24 UTC

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Date: Tue, 26 Jul 2011 14:24:24 -0400
From: Bernard Aboba <bernard_aboba@hotmail.com>
To: Matthew Kaufman <matthew.kaufman@skype.net>, rtcweb@ietf.org
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Subject: Re: [rtcweb] NAT / firewall use cases
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This is indeed a real use case.

Matthew Kaufman <matthew.kaufman@skype.net> wrote:

>We have something in there with a NAT... but I don't think we have a use case that covers the situation where one or both users is behind a NAT or firewall that blocks UDP entirely (which fortunately also covers some of the NAT cases where ICE doesn't succeed). This would require media over TCP... something that I believe some of the implementations have already tackled in different ways, but there's no use case and no drafts proposing which solution to choose either.
>
>Matthew Kaufman
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