[Live-devel] Live555 MPEG2 Transport Stream packet loss

[ilya77 at gmail.com]

Hi Ross,

Thank you for the reply, however, I must disagree. We have 5 MBit downstream
/ 1 MBit upstream link, and the problem appeared even with a 600 KBps file.
We've monitored our internet gateway during the test, and there was no load
on the link other than the streaming media. I should also add, that I have
several year of experience with streaming media in general, and as far as I
can tell - it is NOT bandwidth. What I do suspect is the size of the packets
which come out of the server (which might be OK for LAN), which are just too
big for some router along the way, and are either dropped, or getting
fragmented.

Any ideas?

Thanks,
Ilya


On 4/22/07, Ross Finlayson <finlayson at live555.com> wrote:
>
> >and while the same configurations worked flawlessly in a LAN
> >environment, sniffing the RTP stream delivered over a WAN (over ATM
> >+ NAT router) with ethereal discovered a lot of lost packets (and as
> >a result - degradation in picture quality, artefacts and smearing
> >where motion occurred).
> >We've tried different files with various bitrates, so I am pretty
> >much sure bandwidth is not the issue.
>
> Actually, I'm pretty sure that bandwidth *is* the issue.  If you have
> no packet loss when streaming over a LAN, but get packet loss when
> streaming over a WAN, then the problem is almost certainly that your
> stream is too high-bandwidth for your WAN (and/or perhaps its
> routers).
>
> I.e., you have a network problem, not a problem with our software.
> --
>
> Ross Finlayson
> Live Networks, Inc.
> http://www.live555.com/
> _______________________________________________
> live-devel mailing list
> live-devel at lists.live555.com
> http://lists.live555.com/mailman/listinfo/live-devel
>
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