RE: [rohc] Empty CSRC list issue in IR packet.
"Lars-Erik Jonsson (LU/EAB)" <lars-erik.jonsson@ericsson.com> Thu, 04 September 2003 06:13 UTC
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From: "Lars-Erik Jonsson (LU/EAB)" <lars-erik.jonsson@ericsson.com>
To: "'Surtees, Abigail'" <abigail.surtees@roke.co.uk>, 'Kristofer Sandlund' <kristofer.sandlund@effnet.com>
Cc: "'rohc@ietf.org'" <rohc@ietf.org>
Subject: RE: [rohc] Empty CSRC list issue in IR packet.
Date: Thu, 04 Sep 2003 08:11:40 +0200
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OK, if that's the opinion of the group, that's how it will be! I'll change that for the next update. /L-E > > > Hi Lars-Erik, > > While I can see that the CC field does provide enough > information to allow > the CSRC list to be optional, I think that 3095 is clear that > it is not > optional. > > IMHO the consensus of the discussion a few weeks ago was > reached because it > was felt that the implementer's guide should not change > something that is > clear and interoperable as written in the rfc. As Kristofer > mentioned, > there have been 4 interops where the byte of zero has been > included and > worked without a problem. Consequently, it was felt that it > should be left > as in the rfc (to minimize confusion and so that current > implementations > remain interoperable) but could be mentioned in the > implementer's guide in a > section for future changes/enhancements e.g. when going to > draft standard. > > Best regards, > > Abbie > > > -----Original Message----- > > From: Lars-Erik Jonsson (LU/EAB) > [mailto:lars-erik.jonsson@ericsson.com] > > Sent: Tuesday, September 02, 2003 9:06 AM > > To: 'Kristofer Sandlund' > > Cc: 'rohc@ietf.org' > > Subject: RE: [rohc] Empty CSRC list issue in IR packet. > > > > Kristofer, > > > > We did discuss this, and it was not included in the guide without > > first being brought to the list. We CAN decide how to > interpret this, > > my way of seeing it is that CC is the same field as in RTP, > thus CC=0 > > means there are no CSRC's. If I am the only one with that opinion, > > then we'll change it in the impl guide. Personally I just think it > > is non-logic to send an empty list when there is a counter > indicating > > that the list is empty. > > > > Just my 2 öre! > > /L-E > > > > > > > -----Original Message----- > > > From: Kristofer Sandlund [mailto:kristofer.sandlund@effnet.com] > > > Sent: den 1 september 2003 17:59 > > > To: Lars-Erik Jonsson (LU/EAB) > > > Cc: Ghyslain Pelletier (LU/EAB); Remi Pelland; 'rohc@ietf.org' > > > Subject: Re: [rohc] Empty CSRC list issue in IR packet. > > > > > > > > > Hi Lars-Erik, > > > > > > At the last interop test, the empty CSRC list was used as one > > > byte set > > > to 0, so I find it strange that there has been agreed a > consensus on > > > interpreting it as being not present. I cannot find this > > > discussion in > > > either the mail archive or the notes from this year's ROHC WG > > > meetings > > > (but maybe I have just missed it, since searching mail > > > archives is not > > > fun :) > > > > > > > _______________________________________________ > > Rohc mailing list > > Rohc@ietf.org > > https://www1.ietf.org/mailman/listinfo/rohc > > -- > Registered Office: Roke Manor Research Ltd, Siemens House, > Oldbury, Bracknell, > Berkshire. RG12 8FZ > > The information contained in this e-mail and any attachments > is confidential to > Roke Manor Research Ltd and must not be passed to any third > party without > permission. This communication is for information only and > shall not create or > change any contractual relationship. > _______________________________________________ Rohc mailing list Rohc@ietf.org https://www1.ietf.org/mailman/listinfo/rohc
- [rohc] Empty CSRC list issue in IR packet. Remi Pelland
- RE: [rohc] Empty CSRC list issue in IR packet. Remi Pelland
- Re: [rohc] Empty CSRC list issue in IR packet. Ghyslain Pelletier
- Re: [rohc] Empty CSRC list issue in IR packet. Ghyslain Pelletier
- RE: [rohc] Empty CSRC list issue in IR packet. Lars-Erik Jonsson (LU/EAB)
- Re: [rohc] Empty CSRC list issue in IR packet. Kristofer Sandlund
- RE: [rohc] Empty CSRC list issue in IR packet. Lars-Erik Jonsson (LU/EAB)
- RE: [rohc] Empty CSRC list issue in IR packet. Surtees, Abigail
- RE: [rohc] Empty CSRC list issue in IR packet. Lars-Erik Jonsson (LU/EAB)