Re: [MMUSIC] Mirja Kühlewind's Discuss on draft-ietf-mmusic-sctp-sdp-23: (with DISCUSS)

Christer Holmberg <christer.holmberg@ericsson.com> Thu, 16 February 2017 14:38 UTC

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From: Christer Holmberg <christer.holmberg@ericsson.com>
To: Mirja Kuehlewind <ietf@kuehlewind.net>, The IESG <iesg@ietf.org>
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Date: Thu, 16 Feb 2017 14:37:32 +0000
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Subject: Re: [MMUSIC] =?utf-8?q?Mirja_K=C3=BChlewind=27s_Discuss_on_draft-ietf?= =?utf-8?q?-mmusic-sctp-sdp-23=3A_=28with_DISCUSS=29?=
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Hi Mirja,

...

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DISCUSS:
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> Why is this using TCP/DTLS/SCTP instead of TCP/TLS/SCTP?	

Because the way it is realized is by transporting SCTP on top of DTLS (as defined in draft-ietf-tsvwg-sctp-dtls-encaps) and transporting DTLS on top of TCP (defined in RFC 4571).

Regards.

Christer