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Re: [rtcweb] [MMUSIC] Draft new: draft-wang-mmusic-encrypted-ice-candidates

Iñaki Baz Castillo <ibc@aliax.net> Tue, 12 November 2019 16:10 UTC

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From: Iñaki Baz Castillo <ibc@aliax.net>
Date: Tue, 12 Nov 2019 17:09:57 +0100
Message-ID: <CALiegfm5_y3kExjP-Hd-y+t73Oo6YaROcOLfArVDa-84f_T7Mg@mail.gmail.com>
To: Sean DuBois <sean@pion.ly>
Cc: Qingsi Wang <qingsi=40google.com@dmarc.ietf.org>, Alex Drake <alexdrake@google.com>, RTCWeb IETF <rtcweb@ietf.org>, mmusic@ietf.org
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Subject: Re: [rtcweb] [MMUSIC] Draft new: draft-wang-mmusic-encrypted-ice-candidates
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On Mon, 11 Nov 2019 at 10:04, Sean DuBois <sean@pion.ly> wrote:

> Have you thought about/explored encrypting the entire SessionDescription?

We can already use TLS (HTTPS or WSS) to exchange SDPs (or
"parameters" that the receiver will use to build a "remote SDP"). We
don't need yet another encryption layer to transmit a "blob" /
"string" between endpoints.


> There might be some issues I am not aware of, but it would give us some
> other nice things!
>
> * No more SDP munging (or at least make it harder)
>    - People shoot themselves in the foot constantly by editing things

We don't do it for fun.

>    - Will push people to communicate API needs more, instead of more hacks

Breaking the existing ability (even if hacky) to set stereo, inband
FEC, DTX, etc. for OPUS transmission by making it impossible does not
seem a good idea. Yes, a better and real API is needed, but that does
not justify breaking the only way we have to do it nowadays.




-- 
Iñaki Baz Castillo
<ibc@aliax.net>

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