RE: [rohc] LLA-ROHC question

["Lars-Erik Jonsson (LU/EAB)" <lars-erik.jonsson at ericsson.com>]

RTCP packet headers can, at most, be compressed up to the UDP
header, i.e. with ROHC profile 2.

/L-E


> By the way, is the same true for RTCP packets (including 
> app-defined RTCP packets)?
> 
> regards,
> -Qiaobing
> 
> Lars-Erik Jonsson (LU/EAB) wrote:
> 
> > Qiaobing,
> > 
> > I do not know exactly what you mean with friendly, using a 
> non-standard
> > extension is in my opinion not what I would call friendly...=)
> > 
> > Anyway, LLA [profile 5] handles Xtensions as ROHC RTP 
> [profile 1], i.e.
> > its presence is indicated in IR's (or extensions to CO) and 
> the X-bit
> > is thus transparently decompressed (as all fields). The extension
> > itself is seen as just another part of the payload data.
> > 
> > Rgds,
> > /L-E
> > 
> > 
> > 
> >>-----Original Message-----
> >>From: rohc-admin@ietf.org [mailto:rohc-admin@ietf.org]On Behalf Of
> >>Qiaobing Xie
> >>Sent: den 6 februari 2004 11:07
> >>To: ROHC WG
> >>Subject: [rohc] LLA-ROHC question
> >>
> >>
> >>Hi,
> >>
> >>I wonder how friendly is LLA-ROHC towards RTP packets with 
> a customer 
> >>defined header extension (i.e., X flag =1). How is this handled?
> >>
> >>regards,
> >>-Qiaobing
> >>
> >>
> >>
> >>
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