[c-nsp] Multicast Issue

[Mohammad Khalil]

Hi , the issue seems not BW issue as according to the specifications , each TV is supposed to consume 5M
So any ideas?

BR,
Mohammad

> Date: Wed, 30 May 2012 23:44:31 -0500
> Subject: Re: [c-nsp] Multicast Issue
> From: matt at mcadory.info
> To: eng_mssk at hotmail.com
> CC: cisco-nsp at puck.nether.net
> 
> http://www.cardinalpeak.com/blog/?p=1054 is a good explanation of bit
> rate measurement process using WS. Use that to validate your expected
> 8Mbps stream rate. Also validate with your DSLAM operator that the
> 24Mbps you quote isn't total video and IPTV, but dedicated to video
> (or at least dedicated when video is flowing) to get your ~3 streams
> worth.
> 
> Matt
> 
> 
> On Wed, May 30, 2012 at 1:29 AM, Mohammad Khalil <eng_mssk at hotmail.com> wrote:
> >
> > The downstream is configured to be 24 M but the upstream is configured to be 4M
> > this is the current setup , so it is for sure bandwidth issue ?
> >
> >> From: mark.tinka at seacom.mu
> >> To: eng_mssk at hotmail.com
> >> Subject: Re: [c-nsp] Multicast Issue
> >> Date: Wed, 30 May 2012 08:18:57 +0200
> >> CC: cisco-nsp at puck.nether.net
> >>
> >> On Wednesday, May 30, 2012 08:14:20 AM Mohammad Khalil
> >> wrote:
> >>
> >> > Actually its supposed for each stream to consume 8M
> >> > should i try to increase the speed limits configured ?
> >>
> >> As this is VDSL, are you sure you're actually getting 24Mbps
> >> into the house?
> >>
> >> We tested IPTv on VDSL using new copper across 50m - it was
> >> a disaster.
> >>
> >> If you can, try increasing bandwidth and see if that helps.
> >> But it definitely sounds like when you request a 2nd stream
> >> and the picture develops block noise, you're starving the
> >> link of bandwidth.
> >>
> >> Mark.
> >
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