LiteLoad: Content unaware routing for localizing P2P protocols

Horovitz, Shay; Dolev, Danny

doi:10.1109/ipdps.2008.4536204

Cited by 7 publications

(5 citation statements)

References 4 publications

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“…It intercepts the user's connection or data request, and performs redirection. For example, for those P2P networks with supernodes, the connection requests from supernodes can be redirected to supernodes within the same domain [9,52].…”

Section: Locality-aware Topology Constructionmentioning

confidence: 99%

P2P traffic optimization

Zhang

Tang

Cheng

et al. 2011

Sci. China Inf. Sci.

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Peer-to-peer (P2P) based content distribution systems have emerged as the main form for content distribution on the Internet, which can greatly reduce the distribution cost of content providers and improve the overall system scalability. However, the mismatch between the overlay and underlay networks causes large volume of redundant traffic, which intensifies the tension between P2P content providers and ISPs. Therefore, how to efficiently use network resources to reduce the traffic burden on the ISPs is crucial for the sustainable development of P2P systems. This paper surveys the state-of-art P2P traffic optimization technologies from three perspectives: P2P cache, locality-awareness and data scheduling. Technological details, comparison between these technologies and their applicabilities are presented, followed by a discussion of the issues that remain to be addressed and the direction of future content distribution research.

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Section: Locality-aware Topology Constructionmentioning

confidence: 99%

P2P traffic optimization

Zhang

Tang

Cheng

et al. 2011

Sci. China Inf. Sci.

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“…The locality-aware topology construction can be implemented by the tracker [1], [2], [14], [20], the ISP's proxy tracker near the network boundaries [9], [14], [19], or by the peer itself. The tracker maintains all the active participating nodes in a download session.…”

Section: B Integrating Locality Servicementioning

confidence: 99%

LANC: Locality-aware network coding for better P2P traffic localization

Zhang

Cheng

2011

Computer Networks

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As ISPs begin to cooperate to expose their network locality information as services, e.g., P4P, solutions based on locality information provision for P2P traffic localization will soon approach their capability limits. A natural question is: can we do any better provided that no further locality information improvement can be made? This paper shows how the utility of locality information could be limited by conventional P2P data scheduling algorithms, even as sophisticated as the local rarest first policy.Network coding's simplified data scheduling makes it competent for improving P2P application's throughput. Instead of only using locality information in the topology construction, this paper proposes the locality-aware network coding (LANC) that uses locality information in both the topology construction and downloading decision, and demonstrates its exceptional ability for P2P traffic localization. The randomization introduced by network coding enhances the chance for a peer to find innovative blocks in its neighborhood. Aided by proper locality-awareness, the probability for a peer to get innovative blocks from its proximity will increase as well, resulting in more efficient use of network resources. Extensive simulation results show that LANC can significantly reduce P2P traffic redundancy without sacrificing application-level performance. Aided by the same locality knowledge, the traffic redundancies of LANC in most cases are less than 50% of the current best approach that does not use network coding.

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“…Aside from BitTorrent, coordinate based [16], noncoordinate based [11], [28], and other locality-aware approaches [14], [18], [20] have been proposed for general P2P and distributed systems. However, all these methods are designed to optimize network related performance factors such as latency, rather than download time and traffic reduction that we study in this work.…”

Section: Background and Related Workmentioning

confidence: 99%

TopBT: A Topology-Aware and Infrastructure-Independent BitTorrent Client

Ren

Tan²,

Luo³

et al. 2010

2010 Proceedings IEEE INFOCOM

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Abstract-BitTorrent (BT) has carried out a significant and continuously increasing portion of Internet traffic. While several designs have been recently proposed and implemented to improve the resource utilization by bridging the application layer (overlay) and the network layer (underlay), these designs are largely dependent on Internet infrastructures, such as ISPs and CDNs. In addition, they also demand large-scale deployments of their systems to work effectively. Consequently, they require multiefforts far beyond individual users' ability to be widely used in the Internet.In this paper, aiming at building an infrastructure-independent user-level facility, we present our design, implementation, and evaluation of a topology-aware BT system, called TopBT, to significantly improve the overall Internet resource utilization without degrading user downloading performance. The unique feature of TopBT client lies in that a TopBT client actively discovers network proximities (to connected peers), and uses both proximities and transmission rates to maintain fast downloading while reducing the transmitting distance of the BT traffic and thus the Internet traffic. As a result, a TopBT client neither requires feeds from major Internet infrastructures, such as ISPs or CDNs, nor requires large-scale deployment of other TopBT clients on the Internet to work effectively. We have implemented TopBT based on widely used open-source BT client code base, and made the software publicly available. By deploying TopBT and other BitTorrent clients on hundreds of Internet hosts, we show that on average TopBT can reduce about 25% download traffic while achieving a 15% faster download speed compared to several prevalent BT clients. TopBT has been widely used in the Internet by many users all over the world.

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LiteLoad: Content unaware routing for localizing P2P protocols

Cited by 7 publications

References 4 publications

P2P traffic optimization

P2P traffic optimization

LANC: Locality-aware network coding for better P2P traffic localization

TopBT: A Topology-Aware and Infrastructure-Independent BitTorrent Client

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