[R-C] Question about the problem with TFRC

[Michael Welzl]

Thanks to you and all others who have answered my request! This is all  
very interesting, and just what I was looking for!

Michael


On Apr 17, 2012, at 9:31 PM, Varun Singh wrote:

> Hi,
>
> We did some experiments comparing TFRC, playout delay reporting, TMMBR
> in a 3G environment. The experiments were done in ns2 where we
> implemented a 3G link and an interface to hookup a real encoder to
> pass video frames to and from ns2. The paper was published in a
> workshop co-located with INFOCOM. The main metric we used was PSNR.
> Both endpoints in this case were 3G endpoints and had different
> throughput in their cells.
>
> The link to the paper is:
> http://www.netlab.tkk.fi/~jo/papers/2009-04-movid-3g-rate-adapt.pdf
>
> On Tue, Apr 17, 2012 at 10:16, Michael Welzl <michawe at ifi.uio.no>  
> wrote:
>> Hi,
>>
>> I noticed that TFRC is, well, unpopular here. I understand the  
>> reasons, in
>> particular the group's desire to minimize buffering. So I'm not  
>> making a
>> proposal here, just asking a question out of academic curiosity: is  
>> this
>> just handwaving and assumptions, or have some people given it a try  
>> and
>> found that it doesn't work well? Are there any documented results  
>> showing
>> that?
>>
>> I think someone posted earlier on that there were poor experiences  
>> with
>> TFRC; I'm just interested in more details about that. Again, I'm not
>> proposing anything here, just interested for my own research.
>>
>> Cheers,
>> Michael
>>
>> _______________________________________________
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>> Rtp-congestion at alvestrand.no
>> http://www.alvestrand.no/mailman/listinfo/rtp-congestion
>
>
>
> -- 
> http://www.netlab.tkk.fi/~varun/