Re: [AVTCORE] Design meeting [was Re: draft-petithuguenin-avtcore-rfc5764-mux-fixes: How to do the IANA allocations]

Marc Petit-Huguenin <petithug@acm.org> Thu, 19 March 2015 11:40 UTC

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Date: Thu, 19 Mar 2015 05:40:51 -0600
From: Marc Petit-Huguenin <petithug@acm.org>
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To: "Mo Zanaty (mzanaty)" <mzanaty@cisco.com>, Magnus Westerlund <magnus.westerlund@ericsson.com>, Simon Perreault <sperreault@jive.com>, Bernard Aboba <bernard_aboba@hotmail.com>, IETF AVTCore WG <avt@ietf.org>, "Gonzalo Salgueiro (gsalguei)" <gsalguei@cisco.com>
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Subject: Re: [AVTCORE] Design meeting [was Re: draft-petithuguenin-avtcore-rfc5764-mux-fixes: How to do the IANA allocations]
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On 03/12/2015 12:55 PM, Mo Zanaty (mzanaty) wrote:
> Thanks for the pointer. I will review and comment in tram, but also
> quickly here.
> 
> This closes the door on any possibility of RTPv3 (maybe that door is
> already closed), and burns 25% of the entire space, just to send big STUN
> messages (>MTU). I suggest we leave 192-255 unallocated, and restrict the
> SCTP port for STUN-over-SCTP-over-UDP in stunbis to be 0x1ff to replace
> the end of the current STUN range (method 0x7f). It seems excessive to
> allocate 16384 SCTP ports for STUN when only a single dummy port will be
> used.

My personal preference would be to add a shim as proposed by Paul Jones (and so let SCTP use an unmodified standard stack) and stop using this one byte multiplexing scheme.

Please come to the design team meeting on Sunday evening so we can put together a proposal for the avtcore session.

Thanks.

> 
> Cheers,
> Mo
> 
> On 3/12/15, 1:39 PM, Marc Petit-Huguenin <petithug@acm.org> wrote:
> We are also proposing STUN over SCTP over UDP in draft-ietf-tram-stunbis
> which will use 192-255 (2 MSB of both SCTP ports set to 1).
> 

- -- 
Marc Petit-Huguenin
Email: marc@petit-huguenin.org
Blog: http://blog.marc.petit-huguenin.org
Profile: http://www.linkedin.com/in/petithug
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