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Peer-to-Peer Session Initiation Protocol (P2PSIP) is a distributed communication system being standardized in the Internet Engineering Task Force (IETF). Since it uses the peer-topeer paradigm, P2PSIP faces the problems created by Network Address Translators (NATs); even peers located behind NATs need to be able to not only initiate connections to other(More)
This paper focuses on reducing the Network Address Translator (NAT) traversal-related components of the session establishment delay in peer-to-peer Session Initiation Protocol (P2PSIP) overlays. To reduce the delay, we propose to group the management of different connections so that the (time-consuming) NAT traversal procedures performed for one connection(More)
Network Address Translators (NATs) allow multiple hosts to share one or more IP addresses. The initial decision to use NATs as one of the solutions to Internet Protocol (IP) address depletion , has later induced further challenges; NATs are specially problematic in connection with peer-to-peer (P2P) communication. Interactive Connectivity Establishment(More)
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