Residential BW Planning

Paul Stewart pstewart at nexicomgroup.net
Wed Aug 12 07:54:13 CDT 2009


This may have changed a bit - but we used to use 2000 high speed = 100
meg of capacity.  Based on 5000/800 ADSL or 8000/1000 cable modem
profiles mainly...

Paul


-----Original Message-----
From: Frank Bulk [mailto:frnkblk at iname.com] 
Sent: Tuesday, August 11, 2009 11:06 PM
To: 'sjk'; nanog at nanog.org
Subject: RE: Residential BW Planning

We have calculated our customers peak b/w usage between 20 and 60
kbps/user,
spread across a wide variety of users and wide range of speeds (128/128
up
to 15000/1000 kbps).  You only need a few heavy users to skew things.
But
400 at 4 Mbps would make me think that 20 to 30 Mbps would be
sufficient.

Frank

-----Original Message-----
From: sjk [mailto:sjk at sleepycatz.com] 
Sent: Tuesday, August 11, 2009 7:11 PM
To: nanog at nanog.org
Subject: Residential BW Planning

I am trying to perform some capacity planning for some of our
residential pops, but the old calcs I used to use seem useless -- as
they were adapted from the dialup days and relied upon a percentage of
users online (~50%) and a percentage of concurrent transmission (~19%).
My present scenario involves a micro-pop terminating 250 residences
where users are expecting 4 mb/s. So I am looking for some baseline to
begin at, so I am wondering what others are doing.

Any thoughts are appreciated.

Thanks
--steve





 

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