[27220] in resnet
Re: Copyright Infringement
daemon@ATHENA.MIT.EDU (Andrew Wolf)
Fri Jan 27 19:11:54 2012
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Message-ID: <D6AE4526AE192B4592161988CA31B8FC234294B5@maildb.wfo.linfield.edu>
Date: Sat, 28 Jan 2012 00:10:13 +0000
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From: Andrew Wolf <awolf@LINFIELD.EDU>
To: RESNET-L@listserv.nd.edu
In-Reply-To: <D0A43E8CC19B144398DFEC438095CB18060CFD3D26@EXCMS.msu.montana.edu>
I really don't see an issue here. If they are looking in the router or firewall connection tables they will see hundreds of connections, but that's over a long period of time (5 mins or so....) The Neteq forgets about connections if it hasn't seen them for 2 seconds or so; it's a much more 'realtime' tally of connections.
All of our students exist in a 30 or 20 total connection window. (Again - simultaneous active connections)
I will say that we haven’t had ONE complaint from students regarding facebook, tumblr, cnn, yahoo or any other legitimate uses. I personally use ebay all the time (I have 30 connections total limit) and have never had an issue….and we have the limits cranked PRETTY LOW..Wired Students get 15 up/15 down; wireless users get 10/10 to take the load off the A/P's...and it's been fantastic!
After watching a great deal of traffic...I've found most internet usage is 2-12 connections in any one second....that's just my unscientific observations. It's the 5-10% of students have many more connections that are the problem children....(no pun intended)
Technically, the NetEqualizer is smart enough to only limit the number of connections emanating from an Internal IP , and that is where the p2p applications exist; external popular sites are not affected. If a user persists with aggressive file sharing, their local IP footprint will have many connections to the Internet; only that individuals service will suffer, so most learn fairly quickly (emphasis on 'most') and remove their file sharing or turn it off. We do warn them that active P2P file sharing will cause issues when they try to browse....
I hope this helps...if you need to know more technical info, I've found the NetEQ folks to be very helpful in answering questions, hit their website, email them or browse their support FAQ's...they are great folks to deal with.
Andrew
-----Original Message-----
From: Resnet Forum [mailto:RESNET-L@LISTSERV.ND.EDU] On Behalf Of Crowe, Sheila
Sent: Thursday, January 26, 2012 12:59 PM
To: RESNET-L@LISTSERV.ND.EDU
Subject: Re: Copyright Infringement
Andrew,
Our network admin told me that our campus does not limit the number of connections because there are "legitimate" services that will open a number of simultaneous connections; he named Facebook (40+), CNN (50+), and Ebay (150+) as examples. How do you get around that? If we blocked any one of those I think the students, staff and faculty would send out a lynching party...
Sheila
-----Original Message-----
From: Resnet Forum [mailto:RESNET-L@LISTSERV.ND.EDU] On Behalf Of Andrew Wolf
Sent: Wednesday, January 25, 2012 1:36 PM
To: RESNET-L@LISTSERV.ND.EDU
Subject: Re: Copyright Infringement
We installed a behavior-based shaping device (NetEqualizer) that controls the amount of total simultaneous connections an IP address can make, in addition to controlling bandwidth hogs. P2P is held to a minimum because P2P activity, in general, creates many connection simultaneously, normal web traffic does not; so limiting connection is a very effective P2P controller without actually stopping legitimate use. The power of the unit is both connection limits and shaping large bandwidth streams; everyone gets a piece of the inbound/outbound pie, and if the trunk is not saturated, they also get max performance. When many students are in contention for the internet, and the trunk is saturated; large streams get slowed by the NetEqualizer (fractions of a second) until they back down to a reasonable level. It slows the hogs in small increasing increments, and everyone gets through. Small streams (Skype, Voip, simple web browsing, etc)….are unaffected and no one really noti!
ces that they are being controlled. This product has made management of student traffic a no-brainer these days, we used to spend a great deal of time managing the old packeteer, but no more. I love this machine ! (and we haven’t received any RIAA noticies!..and virtually no student complaints about slow internet!) Did I mention that I love this machine? and it has a great return on invesment.
I hope this helps...
Andrew Wolf
Telecommunications Manager
Linfield College
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