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Windows Server Forum / Windows Media Server / October 2007

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Video Choppy even on a 100MBps Connection?!?

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KevBell - 23 Oct 2007 14:32 GMT
Hello everyone,

  I am trying to add a second server for hosting Windows Media files
to my network.  The computer is brand new - Quad Core Xeon with 8 GB
of RAM running Windows Server 2003 Enterprise R2.  The computer is co-
located at a facility where we are have a 100MBps connection from a
professional ISP.

 The video that I am using to test is encoded at 512kbps, and I am
receiving on Windows XP machines over a 5 MBps connection across the
Internet.

  For no reason that I can explain, the video is coming in
choppy...buffers at lot and I'm the only connection on this server.
The other server we have is not quite as powerful a machine, and only
running Standard edition instead of Enterprise, but it streams just
fine.

  I haven't done anything particularly fancy to set this up; just
install the role for Media Server and added some Publishing Points.

  I would appreciate *any* pointers :-)

Thanks,
Kevin
Craig - 24 Oct 2007 04:40 GMT
> Hello everyone,
>
[quoted text clipped - 21 lines]
> Thanks,
> Kevin

How are the servers connected to the 100 Mbps pipe?  I had switch
problems recently that killed my outbound bandwidth.  Lots of errors
and collisions.  The port was set to half-duplex and only after lots
of trouble shooting dud we realize the problem.  And, do you know for
sure that the co-lo has given you access to the full 100 Mbps?  I
would be looking there. Is the other box on the same switch and pipe?
And that is a ton of RAM.  You will never come close to needing it.
We run with 4 GB and in tests have maxed out at 100 Mbps, which is the
port max.  We test using Windows Media Load Simulator.  We were
running at 100 Mbps and only using 5% CPU.  You definately get
bandwidth bound before CPU or memory.
KevBell - 24 Oct 2007 14:03 GMT
On Oct 23, 11:40 pm, Craig <craig.blanch...@scholastictools.com>
wrote:

> > Hello everyone,
>
[quoted text clipped - 35 lines]
>
> - Show quoted text -

Checking the switch and firewall is a great idea - I'm embarrassed
that I never tried looking there yet :-)

Thanks!
- Kevin
KevBell - 24 Oct 2007 15:29 GMT
Wow!  Reconfiguring our switch seems to have already made a BIG
difference!

Thank you VERY much!
- Kevin

> > How are the servers connected to the 100 Mbps pipe?  I had switch
> > problems recently that killed my outbound bandwidth.  Lots of errors
[quoted text clipped - 17 lines]
>
> - Show quoted text -
Mike Lowery - 25 Oct 2007 17:34 GMT
You can learn more by pulling up the Statistics tab in WMP.  It will tell
you if network packets are missing or if video frames are being dropped
(overtaxed client CPU.)

> Wow!  Reconfiguring our switch seems to have already made a BIG
> difference!
[quoted text clipped - 23 lines]
>>
>> - Show quoted text -
Atmapuri - 24 Oct 2007 12:00 GMT
Hi!

Actual 100Mbps costs 2000 USD/month.
Is that what you are paying?

See here:

http://www.leaseweb.com/index.php?p=corporatexlnl

Regards!
Atmapuri
 
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