arstechnica.com — P4P is a new peer-to-peer file transfer protocol tested by Verizon that uses network topology information from service providers to boost performance. Verizon thinks that increasing the efficiency of P2P, rather than throttling it, is a more effective way to ease congestion and reduce network costs.
Mar 14, 2008 View in Crawl 4
archer007Mar 14, 2008
I will love to see the flood of lawsuits that AT&T will get when they lose their immunity.
tech42erMar 15, 2008
It's an update of P2P, a 4 instead of a 2. It's supposed to connote the idea of a more advanced version, like "MP4 players".
diggmaddyMar 15, 2008
I was getting a, now seemingly false, sense of security from the previous posts of excited diggers. Your post gave me a chuckle, but brings up an excellent point to consider :). Thanks for bringing me back to the real world from the rosy world.
sharkytechMar 15, 2008
"a more efficient peer-to-peer tech".. with a hidden back-door for surveilance of downloads? Just because I'm paranoid doesn't mean no-ones out to get me.
lairdMar 19, 2008
While it's true that BitTorrent optimizes so that you use the fastest data sources out of the peers that you know about (not ping times or nearest neighbors, btw), so that eventually you will find the best data sources, P4P optimizes by informing peers about closest peers immediately. To illustrate the difference, imagine that you start a download of a file in a swarm of 10,000 peers, where one is right next to you on the network. Since BitTorrent gives out peers randomly, 50 at a time, once a minute, that means that you would be 99.5% likely not to find out about the closest seed initially, and only 50% likely to find that closest peer in 200 minutes. With P4P, the Tracker knows which peers are closest, so it can give the best peer out on the first announce, giving you the great data sources that BitTorrent without P4P might take hours to reach.One thing to keep in mind is that P4P isn't an alternative P2P protocol, but is a way for ISP's to provide guidance to any P2P network. All of the major P2P networks are in the P4P Working Group for this reason - they can all take advantage of the guidance provided by ISP's to optimize their networks, in addition to everything else that they already do.
mhmdkhamisJun 15, 2008
In concept, this is actually a good idea. Right now most P2P protocols don't care if the peer is another computer in your own house or a dial up modem in Fiji, they are almost entirely random and the cost to your ISP to deliver the traffic to Fiji is obviously higher than the cost to deliver it locally<a class="user" href="http://vb.paramegsoft.com/4/">http://vb.paramegsoft.com/4/</a><a class="user" href="http://vb.paramegsoft.com/24/">http://vb.paramegsoft.com/24/</a><a class="user" href="http://vb.paramegsoft.com/54/">http://vb.paramegsoft.com/54/</a><a class="user" href="http://vb.paramegsoft.com/12/">http://vb.paramegsoft.com/12/</a><a class="user" href="http://vb.paramegsoft.com/19/">http://vb.paramegsoft.com/19/</a><a class="user" href="http://game.paramegsoft.com/">http://game.paramegsoft.com/</a>
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