P4P

Even as Bell Canada awaits the CRTC's verdict on its traffic-shaping practices, experts say the practice is shortsighted. They advocate a new file sharing model that will benefit users and carriers alike.
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Even as Bell Canada awaits the CRTC's verdict on its traffic-shaping practices, experts say the practice is shortsighted. They advocate a new file sharing model that will benefit users and carriers alike.
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The P4P Research Group, a coalition of most major ISPs, researchers and Pando networks, is working on a more efficient P2P protocol that saves transit time by only serving file parts from local peers to reduce hops.
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Verizon and Pando have tested a protocol called P4P, created by Haiyong Xie, a PhD student in computer science at Yale University. With P4P, both ISPs and peer-to-peer networks supply abstract information about their network layouts to a central computer, which blends the information to produce a new, hybridized network map.
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Previously, the Internet Engineering Task Force (IETF) has refrained from standardising peer-to-peer (P2P) applications used for filesharing, TV streaming, and other applications. Now the working group is tackling ways to make data traffic between P2P users more effective.
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In the USA a bit of deep academic thinking has gone into seeking ways of addressing the traffic issue, while potentially increasing the efficiency and speed of the P2P networks themselves. Calling itself "P4P" the new approach involves managing P2P traffic in order to make maximum use of local peers rather than the apparently more random selection of peers usually experienced. In effect the P2P protocols are steered to select peers on the same network so that a large ISP can avoid a lot of P2P traffic going over their peering arrangements to other ISPs.
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We’re not sure how it happened, but Verizon appears to be turning into one of the most interesting telcos around. For a start, there’s the fibre - but then again, even AT&T has an FTTH roll-out of sorts going on. Then there’s ODI, their developer platform initiative. The whizzy portal-like Dashboard application Verizon Wireless is putting on its LG Chocolates has a publicly available API so people can do evil things to it. But perhaps the most significant change at Verizon is P4P, an attempt to reconcile the huge RBOC with the world of peer-to-peer applications, using a technology developed at Yale University as Haiyong Xie’s PhD research project.
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Another method for managing P2P traffic that frequently popped up at NXTcomm was the experimental "smart" routing technology being developed by the P4P working group. Last March, Verizon, P2P software developer Pando Networks and researchers at Yale University conducted a field test of P4P technology that allows the network to pick and choose more local sources that will optimize the delivery route of large files, rather than inefficiently grabbing data from any source available across the globe. Speakers from Qwest, AT&T and Verizon all touted their companies' participation in the Executives P4P working group at NXTcomm, and some panelists said that if the technology is successful, it could completely change the way that P2P technology interacts with networks.
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Today, the word P2P or peer to peer is well known to us while we see this in various internet hosting site. P2P is like connection with computers which works through internet. By this application one can share file in accordance with “File Sharing” option without any central server. But recently a group of scientists of Yeall University of United States, discovered another new communication system, by which the performance of internet will increase in great advance. This communication system is known as ‘P4P’ or “Provider Portal for P2P applications. Now, lets know about more on P2P communication system.
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Professors Avi Silberschatz, Y. Richard Yang, and Ph.D. candidate Haiyong Xie, at Yale's Department of Computer Science are proposing an architecture called 'provider portal for P2P applications', or P4P.
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Professors Avi Silberschatz, Y. Richard Yang, and Ph.D. candidate Haiyong Xie, faculty members at Yale's Department of Computer Science, are developing a new proposed standard known as P4P. P4P stands for “provider portal for P2P applications”. The system would make for more explicit and uninterrupted communications between ISPs and P2P applications.
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The research team comprises of Professors Avi Silberschatz, Y. Richard Yang, and Ph.D. candidate Haiyong Xie in Yale's Department of Computer Science, and they are proposing an architecture called P4P, i.e. "provider portal for P2P applications."
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Researchers at Yale University have created a better bridge between Internet service providers (ISPs) and peer-to-peer (P2P) software applications that school officials say can help speed up the Internet.
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Professors Avi Silberschatz, Y. Richard Yang, and Ph.D. candidate Haiyong Xie in Yale’s Department of Computer Science are part of a research team that is proposing an architecture called P4P — which stands for “provider portal for P2P applications” — to allow explicit and seamless communications between ISPs and P2P applications.
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Following some tests showing that P2P delivery can be optimized within their networks, Comcast and Verizon say they won’t block or throttle Internet traffic delivered via peer-to-peer networks. Comcast plans to run a similar P2P trial next month, Levitan said. The fact that Comcast and Verizon are partnering with P2P firms -- a sector once denigrated by major ISPs -- is significant, Levitan stressed.
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Embracing peer-to-peer is more than a case of "can't beat them." The research by Yale student Haiyong Xie argued that, if managed properly, peer-to-peer networks could in fact benefit the Web with faster downloads and less congestion. Pando and Verizon soon launched a group to study how peer networking might ease data flows.
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The DCIA kicked off its P2P Media Summit on Monday with a panel discussion about P4P -- technology designed to ease the flow of peer-to-peer traffic by managing connections. Proponents of the system say it's no threat to privacy and proves that Net neutrality legislation isn't needed. But questions remain as to how much control P4P actually represents.
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Telefonica Wholesale released data from its initial field test of advanced peer-to-peer (P2P) protocols, known as P4P, proposed by Haiyong Xie et al., on Telefonica's broadband network in Peru. The results show that the new P4P protocols increased network efficiency by shifting traffic from external to internal links and by routing the internal traffic shorter distances across the Telefonica network.
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Comcast, Pando and an industry joint working group called P4P, plan to publish the results of the tests so other ISPs can benefit from a better understanding of how P2P applications work on their networks.
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AT&T and Comcast's remarks also indicate that P4P technology has already become politicized as the FCC prepares for its second hearing on network management practices, scheduled to take place at Stanford University on April 17. The Commission hasn't released a list of panelists yet, but it has disclosed the titles of the two panel discussions, one on "Network Management and Consumer Expectations," the other on "Consumer Access to Emerging Internet Technologies and Applications."
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P4P technology, based on research from Yale University, more intelligently directs peer-to-peer traffic to local peers instead of letting software like BitTorrent pull data indiscriminately from anywhere in the world.
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Managed peer-to-peer (P2P) content delivery service provider Pando Networks detailed field test results that show cost savings for broadband ISPs and open a path to cable and other broadband network operators embracing legitimate P2P players.
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the P4P initiative seeks to reduce the burden imposed on ISP networks by bi-directional peer-to-peer traffic by containing the traffic within a single network. By fulfilling download request from within a local network wherever possible, the P4P protocol can significantly reduce the connection charges ISPs incur when subscribers' computers are recruited to fulfill P2P requests from outside the network. It also promises to increase download speeds for users by reducing the distance files have to travel.
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The technology used in this first P4P field test was developed by engineers at Pando Networks based on research from Yale University. The protocols and specifications are being shared within the P4PWG, which is open to all ISPs and P2P technology providers, and sponsored by the DCIA.
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One month after Comcast aggressively defended its targeted use of TCP reset packets to delay or stop BitTorrent uploads at an FCC hearing last month, the company has reversed course and says it will stop targeting individual peer-to-peer (P2P)protocols when managing network traffic.
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From an ISP's point of view, P2P traffic can appear to be exceptionally daunting. If they choose to block it, as some have accused almost all of the major US ISPs of doing, then their networks would become ghost networks, with virtually no traffic in sight. But if they embrace it, their networks are fast moving crazy places, where suppliers have to sprint to keep their network surviving.
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Earlier this month, the telco announced it has tested a system called P4P, developed by researchers at Yale and the University of Washington, designed to keep peer-to-peer traffic off the Internet’s backbone networks.
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Verizon has collaborated with researchers at Yale University and a group of companies that make file-sharing software to enable faster downloads for consumers and lower costs for participating ISPs.
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Researcher Haiyong Xie, a Yale Ph.D. candidate who first proposed the experimental P2P technology with Yale associate professor Yang Richard Yang in 2006, says that Verizon and AT&T's collaboration with P2P developers is a reflection of the strength of their networks and the fact that P2P technology has become such a large driver in the growth of bandwidth demand. As the technology evolves and as more ISPs build out there network capacity, more of them will adopt P2P as the most efficient way for their customers to transfer large files over their networks.
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If all goes according to plan, Haiyong Xie's work developing experimental peer-to-peer could eliminate many of the headaches that P2P systems have traditionally caused ISPs. Last week, Xie helped run the new P2P technology through a field test that was conducted in conjunction with Verizon, P2P software developer Pando Networks and his fellow researchers at Yale. The test was sponsored by the P4P Working Group, an industry organization sponsored by the Distributed Computing Industry Association, whose mission is to bring ISPs, P2P software distributors and technology researchers together to create a set of practices designed to optimize P2P content distribution. Network World senior writer Brad Reed talks with Xie, who is currently wrapping up his Ph.D. dissertation on the P2P experiment at Yale, about how this new P2P technology could make life easier for both P2P users and ISPs.
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Peer-to-Peer can be done legally, securely and for the mutual benefit of all parties. Thanks to the DCIA and a whole lot of smart people, we are headed toward more intelligent networks that will provide faster performance and a better experience to all users
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After achieving much faster than usual download and data delivery rates in a field trial with Verizon and Pando, the P4P Working Group is now looking at doing trials with other ISPs and P2P network providers, said Haiyong Xie, a Working Group member who is also a Ph.D. student at Yale.
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Recent tests conducted by Verizon on its broadband network reveal that large files can be moved quickly and more efficiently on the internet using an updated P2P file transfer system.
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P4P speeds up P2P downloads by localizing network traffic. Standard P2P traffic gets spread all over the globe, so a single packet may go through a half-dozen costly high-end routers and thousands of miles of scarce ocean-floor fiber on its way to your PC. Metro-area routing is both cheaper for ISPs and faster for the users.
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In a report to the DCIA on the trial, Pasko, Popkin and Haiyong Xie, a researcher from Yale University where the software design was created, said that the field test has clearly validated the value of P2P networks and ISPs working together to provide the most efficient, highest-quality service to their customers.
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By modifying peer-to-peer file-swapping technology, researchers have found a way to not only reduce data traffic jams on the Web, but to also speed up delivery of video content to consumers. In a presentation at the Distributed Computing Industry Association (DCIA) Friday by researchers from Pando Networks, Verizon Communications (NYSE: VZ), and Yale University, the results of tests using advanced P2P techniques to transmit large files were described.
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Verizon said it is committed to offer the new P4P, an advanced peer-to-peer file sharing network, serving as the key to BitTorrent cooperation.
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Tests show localizing P2P traffic cut the impact on Verizon's network 50 percent. Verizon prefers the P4P technique tested by Yale University and Pando Networks to Comcast's throttling of BitTorrent P2P traffic, but an analyst says other ISPs aren't likely to agree. And a blogger says P4P as tested by Verizon won't help cable and wireless networks.
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Verizon announced this week that it has successfully tested a new peer-to-peer, file-transfer system that the company says could eliminate many of the headaches that P2P systems have traditionally caused ISPs.
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Verizon says it will work with, not fight, peer-to-peer file swappers on its network with a new technology called Proactive network Provider Participation (or P4P).
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P4P is smarter and can make sure as much of that download comes from other Verizon customers in the same city thereby greatly improving download speed and reducing its costs.
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P4P, which stands for Proactive network Provider Participation for P2P, ultimately aims to decrease backbone traffic and bring down network operation costs by enabling service providers to communicate information about network conditions to client applications for the purpose of facilitating improved P2P file transfer performance.
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Large files can be moved over the Internet more quickly and efficiently using a new peer-to-peer (P2P) file transfer system, recent tests over the Verizon network show. The new P2P protocol guides the selection of file sources and network pathways rather than letting the selection happen randomly, or using criteria that don't maximize efficiency.
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A real-world Internet test reveals that "intelligent" routing of peer-to-peer traffic can drastically reduce network utilization and speed up downloads for subscribers, according to a new study.
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At a conference in New York, the Verizon group will present test results showing that when an ISP cooperates with a file-sharing software maker they can speed downloads an average of 60 percent — though collaboration boosted some downloads six-fold on fast Internet connections.
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In a paper for the P4P working group, researchers from Yale and Washington University detailed a proposed P4P architecture, introducing “iTracker” portals that facilitate communication between P2P apps and networks, dividing control responsibilities between the two parties. Each iTracker would provide information on network aspects: status and topology, provider guidelines, and policies and network capabilities. The result, in theory, would be smarter choices regarding how network resources are used in P2P apps.
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The P4P Working Group wants to improve the way peer-to-peer Web sharing works, thus helping the entire internet to grow. The group is composed of major tech industry players including Verizon, Pando and Yale University, in whose labs the idea originated.
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The P4P working group consists of content-distribution-technology providers like BitTorrent, Pando Networks, LimeWire and VeriSign's Kontiki, as well as broadband companies like Verizon and AT&T, and hardware makers like Cisco Systems. There are close to a dozen members so far. The P4P operates under the guidance of the Distributed Computing Industry Association, a group that wants to foster legal peer-to-peer content distribution.
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