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P2PRIV
Peer-to-peer direct and anonymous distribution overlay (P2PRIV) was a conceptual anonymous peer-to-peer overlay network introduced at Warsaw University of Technology in 2007.〔http://web.archive.org/web/20120528230440/http://p2priv.org/news/website_launched〕 P2PRIV hides an initiator of communications by a parallelization of network nodes receiving or sending user data independently. This concept is contrary to other anonymity networks topologies. The anonymity networks employ a serial communication as a common basis and hide the initiator in a cascade of network nodes forwarding user data consecutively. The main advantage of P2PRIV is viewed as a possibility of providing high-speed anonymous data transfer while anonymous data can be sent directly and independently in the distributed network.
The last update on the web site was in 2009.〔http://web.archive.org/web/20120528230440/http://p2priv.org/news〕 The official web site is down since 2013.
== Description ==
P2PRIV separates anonymization from user data transport. Before sending data, signalization tokens are forwarded over classical anonymous cascades towards formation of so-called ''cloning cascades'' (CC). The well-known anonymous techniques (i.e. Mix network and Crowds' Random walk algorithm) are utilized in hiding the initiator of the CC. Then, after a random interval of time, each CC member (i.e. group of clones and the true initiator) communicates directly and independently with destination nodes. A process of finding the true initiator among network nodes is hard to perform even for an adversary able to collude a significant part of overlay network.
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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