[dccp] WG Last Call for RTP over DCCP draft

2007-05-03 Thread Phelan, Tom
Hi All, This is to announce the beginning of a working group last call for draft-ietf-dccp-rtp-05.txt, "RTP and the Datagram Congestion Control Protocol (DCCP)" (available at http://www.ietf.org/internet-drafts/draft-ietf-dccp-rtp-05.txt. Last call will end on 18-May (two weeks from now rounded t

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-03 Thread Colin Perkins
On 3 May 2007, at 14:34, Phelan, Tom wrote: This is to announce the beginning of a working group last call for draft-ietf-dccp-rtp-05.txt, "RTP and the Datagram Congestion Control Protocol (DCCP)" (available at http://www.ietf.org/internet-drafts/draft-ietf-dccp-rtp-05.txt. Thanks! PS. Co

RE: [dccp] WG Last Call for RTP over DCCP draft

2007-05-03 Thread Phelan, Tom
tion 8.1.2" is better? Editorial Nits: Title -- expand RTP. Section 2: Rationale -- You say "Two approaches...", next paragraph is "1)", but there's no "2)" (you say "The other approach is" instead). Either "1)" and "2)", or "The f

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-10 Thread Colin Perkins
ou say "Two approaches...", next paragraph is "1)", but there's no "2)" (you say "The other approach is" instead). Either "1)" and "2)", or "The first" and "The other" (or second), I think. Tom P. -Original

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-10 Thread Lars Eggert
On 2007-5-3, at 5:34, ext Phelan, Tom wrote: This is to announce the beginning of a working group last call for draft-ietf-dccp-rtp-05.txt, "RTP and the Datagram Congestion Control Protocol (DCCP)" (available at http://www.ietf.org/internet-drafts/draft-ietf-dccp-rtp-05.txt. I've done an early

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Colin Perkins
[Inline; Jonathan - see ICE discussion below] On 10 May 2007, at 18:36, Lars Eggert wrote: On 2007-5-3, at 5:34, ext Phelan, Tom wrote: This is to announce the beginning of a working group last call for draft-ietf-dccp-rtp-05.txt, "RTP and the Datagram Congestion Control Protocol (DCCP)" (avail

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Magnus Westerlund
Hi, Some WG last call comments: A. Section 4.4: In the case an RTP session bridges multiple DCCP connections it might be worth noting that support of TMMBR from draft-ietf-avt-ccm could help. I would suggest including an informative reference to it. B. Section 5.2: There need to be a stateme

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Colin Perkins
On 11 May 2007, at 15:36, Magnus Westerlund wrote: Some WG last call comments: A. Section 4.4: In the case an RTP session bridges multiple DCCP connections it might be worth noting that support of TMMBR from draft-ietf-avt-ccm could help. I would suggest including an informative reference to

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Lars Eggert
On 2007-5-11, at 1:16, ext Colin Perkins wrote: On 10 May 2007, at 18:36, Lars Eggert wrote: Section 4.1., paragraph 2: >A DCCP connection is opened when an end system joins an RTP session, >and it remains open for the duration of the session. To ensure NAT >bindings are kept op

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Colin Perkins
On 11 May 2007, at 19:18, Lars Eggert wrote: On 2007-5-11, at 1:16, ext Colin Perkins wrote: On 10 May 2007, at 18:36, Lars Eggert wrote: Section 4.2., paragraph 1: >The RTP Control Protocol (RTCP) is used in the standard manner with >DCCP. RTCP packets are grouped into compound pack

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Lars Eggert
On 2007-5-11, at 11:08, ext Colin Perkins wrote: To the best of my knowledge, all the RTP payload formats where this could conceivably be an issue include application level fragmentation. We've been aware of MTU issues for a long time in AVT. Great, that addresses my comment then. Lars

RE: [dccp] WG Last Call for RTP over DCCP draft

2007-05-11 Thread Arjuna Sathiaseelan
I am happy with the changes made and I have no other issues pertaining to this draft :) Arjuna -- Colin Perkins http://csperkins.org/

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-14 Thread Magnus Westerlund
Colin Perkins skrev: > B. Section 5.2: > There need to be a statement with normative reference on which > formal language the SDP attribute definition is made in. You mean a normative statement that the grammar in section 5.2 is specified using ABNF as defined in RFC 4234? Yes. Cheer

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-16 Thread Lars Eggert
On 2007-5-11, at 21:18, Lars Eggert wrote: On 2007-5-11, at 1:16, ext Colin Perkins wrote: On 10 May 2007, at 18:36, Lars Eggert wrote: 15 seconds is pretty short. RFC4787 (NAT UDP Unicast Requirements) says that "a NAT UDP mapping timer MUST NOT expire in less than two minutes". If we

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-16 Thread Ian McDonald
On 5/16/07, Lars Eggert <[EMAIL PROTECTED]> wrote: Following up on this, since no NAT that I know of currently translates DCCP, IMO there isn't a need to be as super-conservative with the timeout as ICE needs to be for UDP. Something longer is probably fine. Lars Linux has translated DCCP for

RE: [dccp] WG Last Call for RTP over DCCP draft

2007-05-17 Thread Phelan, Tom
more like TCP in this regard than UDP, I'd expect. Tom P. -Original Message- From: Ian McDonald [mailto:[EMAIL PROTECTED] Sent: Wednesday, May 16, 2007 5:06 AM To: Lars Eggert Cc: ext Colin Perkins; Phelan, Tom; DCCP mailing list; Jonathan Rosenberg Subject: Re: [dccp] WG Last Ca

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-21 Thread Lars Eggert
On 2007-5-17, at 20:53, ext Phelan, Tom wrote: Aren't the default NAT timeouts for UDP and TCP different -- UDP has to be short because there's no other way to tell that a connection is no longer needed -- TCP can be longer because what the timeout is doing is just cleaning up broken connect

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-21 Thread Colin Perkins
On 21 May 2007, at 10:03, Lars Eggert wrote: On 2007-5-17, at 20:53, ext Phelan, Tom wrote: Aren't the default NAT timeouts for UDP and TCP different -- UDP has to be short because there's no other way to tell that a connection is no longer needed -- TCP can be longer because what the timeout

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-05-21 Thread Colin Perkins
On 3 May 2007, at 14:34, Phelan, Tom wrote: This is to announce the beginning of a working group last call for draft-ietf-dccp-rtp-05.txt, "RTP and the Datagram Congestion Control Protocol (DCCP)" (available at http://www.ietf.org/internet-drafts/draft-ietf-dccp-rtp-05.txt. Last call will end on

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-06-11 Thread Eddie Kohler
Colin, Better late than never, perhaps; some comments on RTP over DCCP. The draft is clear and really well written which is awesome. A writing nit: it is generally better not to treat references as nouns; rather than "RTP over TCP, as defined in [5]," say "RTP over TCP [5]". But this is not t

Re: [dccp] WG Last Call for RTP over DCCP draft

2007-06-11 Thread Colin Perkins
Eddie, On 11 Jun 2007, at 20:49, Eddie Kohler wrote: Better late than never, perhaps; some comments on RTP over DCCP. The draft is clear and really well written which is awesome. Thanks! In Section 5.2, you might point out that a given Service Code may be specified in many ways. RTP proce