25 ?!  You're lucky.  If I stop my Mikrotik queues based on all-p2p
matching via firewall mangles, the network

will come to a stop because usage will go to 99%.

 

I limit p2p down & uploads to 1kbps.  Sue me.

 

From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On
Behalf Of Travis Johnson
Sent: Friday, October 19, 2007 3:56 PM
To: [EMAIL PROTECTED]; WISPA General List
Subject: Re: [WISPA] Look how ComCast deals with P2P

 

I would have to agree. They did it to save costs, which includes
bandwidth, transport, equipment upgrades, etc. If I run our network wide
open (which I do from 6:00PM to 7:00AM), we see p2p traffic using 25% of
our total bandwidth.

Travis
Microserv

David E. Smith wrote: 

On Fri, October 19, 2007 2:24 pm, Tom DeReggi wrote:
 
  

        Yeah right... It has nothing to do with saving Interconnect
dollars.
        Comcast's download ratios are already way higher than upload
even with
        BitTorrent full force, and probably are already getting paid for
the
        peering relationships if anything because of their ratios.
            

 
Given that I know nothing about the internals of Comcast's network, I
strongly suspect this is not the case. They're not a Tier-1, and they
don't generally offer transit. They're one of the biggest end-user ISPs
in
the States, and based on sheer volume they probably have some pretty
sweet
arrangements, but I really doubt they do enough hosting on their own
that
others are paying them for the privilege of talking to Comcast subs.
 
  

        What they are doing here is sending a message that if you Buy
Comcast you
        get performance, if you buy from our competitors, you won;t ahve
        performance
        because we control the majority market, and we won't let you
play with our
        clients in a favorable manner.
            

 
A majority of what market? Even as big as Comcast is, they're nowhere
near
50% of America's broadband users, and if that's not the market you're
referring to, I don't know what you do mean.
 
Folks not using Comcast will have few or no problems with their p2p
needs,
as there are plenty of other ISPs in this country alone (and a couple
hundred other countries as well). Meanwhile, folks using Comcast in
markets where they're doing edge-p2p-filtering will get cranky because
their friend on DSL can download (whatever warez-y stuff) 84 times
faster,
and may well leave Comcast because of it. When this first came to light
a
couple months ago, the nerd rage on Slashdot was positively palpable,
and
while it was probably 98% smoke, I doubt very much it was 100% smoke.
 
Comcast has the right to do whatever they want - their network, their
rules. Really, though, I just don't see WHY they would choose to make
this
particular move, if not to save on peering costs.
 
David Smith
MVN.net
 
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