Re: [MMUSIC] DTLS-SDP: connection, dtls_connection, or dtls_ufrag?

Christer Holmberg <christer.holmberg@ericsson.com> Fri, 02 October 2015 06:20 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Roman Shpount <roman@telurix.com>, Paul Kyzivat <pkyzivat@alum.mit.edu>
Thread-Topic: [MMUSIC] DTLS-SDP: connection, dtls_connection, or dtls_ufrag?
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Date: Fri, 2 Oct 2015 06:20:42 +0000
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Subject: Re: [MMUSIC] DTLS-SDP: connection, dtls_connection, or dtls_ufrag?
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Hi,

>>> If setup attribute is used with protocol prefix, it is unclear if it will
>>> be correctly recognized by the remote party.
>>
>> Am I right that there is no rfc specifying use of the setup attribute with dtls? (The IANA registry only has rfc4145 covering TCP.)
>
> RFC 5763 seciont 5 (https://tools.ietf.org/html/rfc5763#section-5) specifies how SDP setup attribute is used when DTLS association
> is established. So, we are dealing with existing, standard compliant implementations.

RFC 7345 (UDPTL-DTLS) also uses the same procedures, as does BFCPbis AFAIR.

Regards,

Christer