RE: [AVT] Lack of clarity in RFC 3550 on packet loss

["Alan Clark" <alan.d.clark at telchemy.com>]

Rajesh

The discard rate and loss rate are both determined after redundancy and FEC

Regards

Alan


> -----Original Message-----
> From: avt-bounces at ietf.org [mailto:avt-bounces at ietf.org]On Behalf Of
> Colin Perkins
> Sent: Saturday, June 04, 2005 6:07 AM
> To: rkumar at cisco.com
> Cc: casner at acm.org; avt at ietf.org
> Subject: Re: [AVT] Lack of clarity in RFC 3550 on packet loss
> 
> 
> Rajesh,
> 
> On 4 Jun 2005, at 01:11, Rajesh Kumar wrote:
> > RFC 3611 (RTCP-XR) defines a loss rate, which it says is after  
> > taking redundancy and FEC into account. It also defined a discard  
> > rate. It says nothing about whether this discard rate is after  
> > taking redundancy and FEC into account, but should we assume that  
> > this is so?
> 
> I'll let the authors clarify.
> 
> > I would think so - in order for RTCP-XR to be consistent with  
> > itself in this regard, even if it is not consistent with RTCP.
> 
> Note that the RTCP XR report is intentionally different from RTCP RR  
> in this respect, since the need for both types of metric was realised.
> 
> Colin
> 
> _______________________________________________
> Audio/Video Transport Working Group
> avt at ietf.org
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