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This book presents the technical challenges offered by P2P systems, and the means that have been proposed to address them. It provides a single source for practitioners, researchers and students on the state-of-the-art on this subject.

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Peer-to-peer (P2P) technology, or peer computing, is a paradigm that is viewed as a potential technology for redesigning distributed architectures and, consequently, distributed processing. Yet the scale and dynamism that characterize P2P systems demand that we reexamine traditional distributed technologies. A paradigm shift that includes self-reorganization, adaptation and resilience is called for. On the other hand, the increased computational power of such networks opens up completely new applications, such as in digital content sharing, scientific computation, gaming, or collaborative work environments.

In this book, Vu, Lupu and Ooi present the technical challenges offered by P2P systems, and the means that have been proposed to address them. They provide a thorough and comprehensive review of recent advances on routing and discovery methods; load balancing and replication techniques; security, accountability and anonymity, as well as trust and reputation schemes; programming models and P2P systems and projects. Besides surveying existing methods and systems, they also compare and evaluate some of the more promising schemes.

The need for such a book is evident. It provides a single source for practitioners, researchers and students on the state of the art. For practitioners, this book explains best practice, guiding selection of appropriate techniques for each application. For researchers, this book provides a foundation for the development of new and more effective methods. For students, it is an overview of the wide range of advanced techniques for realizing effective P2P systems, and it can easily be used as a text for an advanced course on Peer-to-Peer Computing and Technologies, or as a companion text for courses on various subjects, such as distributed systems, and grid and cluster computing.

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Architecture of Peer-to-Peer Systems.- Routing in Peer-to-Peer Networks.- Data-Centric Applications.- Load Balancing and Replication.- Security in Peer-to-Peer Networks.- Trust and Reputation.- P2P Programming Tools.- Systems and Applications.- Conclusions.

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From the reviews: "My stack peer-to-peer (P2P)-related books is getting higher and higher. ... I wonder if it is still possible to present it another way. Well, Vu, Lupu and Ooi show in their 300-plus-page book ... interested in inventing applications of this type and doing research on them. ... The book is most suitable for researchers and theoreticians, as the issues described focus mainly on some interesting proposals that exist mostly in papers ... . This proves that the overlay field is now quite mature." (Piotr Cholda, ACM Computing Reviews, March, 2010)

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