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Re: [Perc] Drop support for E2E RTP header extensions

Sergio Garcia Murillo <sergio.garcia.murillo@gmail.com> Wed, 17 May 2017 07:39 UTC

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To: Roni Even <roni.even@huawei.com>, Cullen Jennings <fluffy@iii.ca>, Paul Jones <paulej@packetizer.com>
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From: Sergio Garcia Murillo <sergio.garcia.murillo@gmail.com>
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Date: Wed, 17 May 2017 09:35:28 +0200
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Subject: Re: [Perc] Drop support for E2E RTP header extensions
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On 17/05/2017 7:23, Roni Even wrote:
> As for dropping RTP header extensions, the 5285-bis draft says  "intermediaries aware of the RTP  header extensions are advised to be cautious when removing or  generating RTP header extensions see section 4.7 of [RFC7667]."
>
>
Note that an MD or any intermediary can't drop any E2E RTP header 
extension present in an rtp packet as it will break the inner crypto and 
will prevent the final endpoint to be able to decrypt it.

BR
Ser

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