nanog mailing list archives
Re: Can P2P applications learn to play fair on networks?
From: Joel Jaeggli <joelja () bogus com>
Date: Mon, 29 Oct 2007 09:28:21 -0700
michael.dillon () bt com wrote:
And of course, if you still believe just adding bandwidth will solve the problemsJoe St. Sauver probably said it best when he pointed out in slide 5 here <http://www.uoregon.edu/~joe/i2-cap-plan/internet2-capacity-planning.ppt the "N-body" problem can be a complex problem to try to solve except via an iterative and incremental process.
If P2P software relied on an ISP middlebox to mediate the transfers, then each middlebox could optimize the local situation by using a whole smorgasbord of tools. They could kill rogue sessions that don't use the middle box by using RSTs or simply triggering the ISP's OSS to set up ACLs etc. They could tell the P2P endpoints how many flows are allowed, maximum flowrate during specific timewindows, etc.
When we put the application intelligence in the network. We have to upgrade the network to support new applications. I believe that's a mistake from the application innovation angle. Describing more accurately to the endpoints the properties of the network(s) to which they are attached is something that is perhaps desirable. most work in this area is historically done in the transport area, but congestion control is not really the only angle from which to approach the problem. Host's treat network's as black boxes because they don't really have any other choice in the matter.
--Michael Dillon
Current thread:
- Re: Can P2P applications learn to play fair on networks?, (continued)
- Message not available
- Re: Can P2P applications learn to play fair on networks? Sean Donelan (Oct 27)
- Re: Can P2P applications learn to play fair on networks? Mikael Abrahamsson (Oct 28)
- Re: Can P2P applications learn to play fair on networks? Sean Donelan (Oct 28)
- Re: Can P2P applications learn to play fair on networks? Mikael Abrahamsson (Oct 28)
- Re: Can P2P applications learn to play fair on networks? Sean Donelan (Oct 28)
- RE: Can P2P applications learn to play fair on networks? michael.dillon (Oct 29)
- Re: Can P2P applications learn to play fair on networks? Stefan Bethke (Oct 29)
- RE: Can P2P applications learn to play fair on networks? Fred Reimer (Oct 29)
- RE: Can P2P applications learn to play fair on networks? Sean Donelan (Oct 29)
- RE: Can P2P applications learn to play fair on networks? Fred Reimer (Oct 29)
- Re: Can P2P applications learn to play fair on networks? Joel Jaeggli (Oct 29)
- RE: Can P2P applications learn to play fair on networks? michael.dillon (Oct 29)
- RE: Can P2P applications learn to play fair on networks? Frank Bulk (Oct 29)
- Re: Can P2P applications learn to play fair on networks? Iljitsch van Beijnum (Oct 28)
- Re: Can P2P applications learn to play fair on networks? John Kristoff (Oct 29)
- What can you use DSCP for? Sean Donelan (Oct 30)
- Re: Can P2P applications learn to play fair on networks? Joe Greco (Oct 26)
- Re: Can P2P applications learn to play fair on networks? Sean Donelan (Oct 26)
- RE: Can P2P applications learn to play fair on networks? Frank Bulk (Oct 22)