P4P: Provider Portal for Applications Haiyong Xie Y. Richard Yang Arvind Krishnamurthy Yanbin Liu§ Avi Silberschatz Yale University University of Washington § IBM T.J. Watson ABSTRACT As peer-to-peer (P2P) emerges as a major paradigm for scalable network application design, it also exposes signi cant new challenges in achieving ef cient and fair utilization of Internet network resources. Being largely network-oblivious, many P2P applications may lead to inef cient network resource usage and/or low application performance. In this paper, we propose a simple architecture called P4P to allow for more effective cooperative traf c control between applications and network providers. We conducted extensive simulations and real-life experiments on the Internet to demonstrate the feasibility and effectiveness of P4P. Our experiments demonstrated that P4P either improves or maintains the same level of application performance of native P2P applications, while, at the same time, it substantially reduces network provider cost compared with either native or latency-based localized P2P applications. Categories and Subject Descriptors: C.2.1 [Computer Communication Networks]: Network Architecture and Design Network communications; C.2.3 [Computer Communication Networks]: Network Architecture and Design Network Operations General Terms: Design, Economics, Management. Keywords: Network Architecture, Network Application, P2P 1. INTRODUCTION This paper focuses
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