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RE: [Karlnet] Video over TC

To: <karlnet@WISPNotes.com>
Subject: RE: [Karlnet] Video over TC
From: "Tony " <tonylist@wwwbiz.com>
Reply-to: karlnet@WISPNotes.com
Date: Wed, 1 May 2002 21:18:45 -0400
List-post: <mailto:karlnet@WISPNotes.com>
Dan

We have done the FTP test with 20 CPE and a single base station in a
lab.  The polling did what is should have done, each unit was able to
sustain about 27K which is the available bandwidth divide by 20, the
number of CPE's. 

Now this was FTP, video is not as tolerant and will drop frames. (I used
to do video work using non-liner editors, in a former life :) Also this
is assuming most of the traffic is going to the CPE from the base
stations, if someone starts uploading with a loaded system the video
stream, losing frames, maybe the first thing that is noticed.

Sincerely
Tony Morella
Demarc Technology Group
Office: 908-996-7995
Cell: 908-246-9170
Fax: 908-847-0202
email: tony@demarctech.com
http://www.demarctech.com
Wireless Solution Provider


-----Original Message-----
From: karlnet-admin@WISPNotes.com [mailto:karlnet-admin@WISPNotes.com]
On Behalf Of Dan Metcalf
Sent: Wednesday, May 01, 2002 8:06 PM
To: 'karlnet@WISPNotes.com'
Subject: RE: [Karlnet] Video over TC


Tony,

Have you tested how many "max" streams TC can handle?

For example, say you had the ability to simulate a FTP transfer over
each link, and the only bottleneck was the link itself, then you kept
adding links (TC satellite's) which were doing FTP's as well.

How does TC scale in that matter any white papers on that?

Dan Metcalf
Wireless Broadband Systems
dan.metcalf@wbsysnet.com
781-658-2075
www.wirelessbroadbandsystems.com

-----Original Message-----
From: Tony [mailto:tonylist@wwwbiz.com]
Sent: Wednesday, May 01, 2002 7:22 PM
To: karlnet@WISPNotes.com
Subject: RE: [Karlnet] Video over TC

Eric

It will work but from a few tests we did I would not recommend using the
full stream if using TC in PtMP mode. If the camera supports it doing
5-10 frame per sec would produce better results while not effecting the
rest of the sector.

Comparing TC to 802.11b, TC will always win for an application like
this, adding additional bandwidth management will also improve
performance.

Sincerely
Tony Morella
Demarc Technology Group
Office: 908-996-7995
Cell: 908-246-9170
Fax: 908-847-0202
email: tony@demarctech.com
http://www.demarctech.com
Wireless Solution Provider


-----Original Message-----
From: karlnet-admin@WISPNotes.com [mailto:karlnet-admin@WISPNotes.com]
On Behalf Of admin
Sent: Wednesday, May 01, 2002 5:20 PM
To: karlnet@WISPNotes.com
Subject: [Karlnet] Video over TC


To all Karlnet guru's,
   How does video and TC get along? I have a potential customer that
would like to monitor a place of business 24/7. The camera/software
company states less than 200kpbs is needed along with a static IP of
course. I figured BW control that IP and all should be fine. Does anyone
see any problem with this? This is a new WiPOP so I havn't decided on TC
or 802.11b yet but so far TC looks the best because of distance
variables between clients and the base and hidden node issues. Thanks,


--
Eric L. Johnson
WarpSpeed Internet
1-361-563-3742
--
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