Many distributed systems built on peer-to-peer principles organize nodes in an overlay network, in order to enable communication between nodes. In general, this overlay network may have nothing to do with the location of nodes on the physical network. We propose a generic mechanism called Apocrypha to make any P2P overlay “network-aware”, and thus optimize internode communication. We show how A...

IPTV systems attracting millions of users are now commonly deployed on peerto-peer (P2P) infrastructures. Each channel is associated with a P2P overlay network formed by the users who receive, watch and redistribute this channel. However, zapping from one P2P overlay to another requires a significant amount of time, and therefore the P2P IPTV experience is not as good as for a multicastbased IP...

Recent distributed systems, in a P2P scenario, are characterized by a set of independent peers that dynamically need to cooperate by sharing data and services. For effective collaboration, under highly dynamic conditions and in absence of a global view of the resources shared across the information systems, semantic modeling tools need be defined. In particular, the emergence of semantics is a ...

In a world where networking services are increasingly being provided by service overlay networks, management of these services at overlay level is becoming crucially important. This paper presents an architecture for services management in P2P Service Overlay Networks (SON). The architecture, named OMAN, takes into account the formation of the P2P SON comprising several different service provid...

REsource LOcation And Discovery (RELOAD) is a peer-to-peer (P2P) signaling protocol that provides an overlay network service. Peers in a RELOAD overlay network collectively run an overlay algorithm to organize the overlay and to store and retrieve data. This document describes how the default topology plugin of RELOAD can be extended to support self-tuning, that is, to adapt to changing operati...

The ongoing process of globalization leads to a huge demand for highly scalable applications. The Peer-to-Peer (P2P) technology enables an arbitrary large number of users to participate and contribute to distributed services like content distribution or collaboration. With P2P, the intelligence is shifted from centralized instances to the edges of the Internet. This shift is supported by the wi...

The peers in a Peer-to-Peer (P2P) system arrange themselves in a virtual network called the overlay network. The overlay network sits above the underlying physical network and is used to search for resources and peers, and to route messages between peers. The topology of the overlay network is the graph whose vertices are the peers and whose edges are the connections between the peers. The choi...

Structured peer-to-peer (P2P) overlay networks like Distributed Hash Tables (DHTs) map data items to the network based on a consistent hashing function. Such mapping for data distribution has an inherent load balance problem. Thus, a load balancing mechanism is an indispensable part of a structured P2P overlay network for high performance. The rapid development of P2P systems has posed challeng...

Overlay network had received great attention in recent years. Overlay network usually used the peer-to-peer(P2P) networking paradigm for enabling end systems to share their resources. Recent researches had proposed many interesting applications on overlay network such as files sharing and multimedia streaming service. In this paper, we proposed an overlaid p2p network platform to support modern...

A critical issue for P2P systems is to perform an effective content retrieval taking into account semantic properties of what is searched. Important requirements to be considered for knowledge sharing in P2P systems are related to the inherent dynamism of the P2P context demanding for a decentralized sharing and administration of knowledge and to the role of Semantic Web techniques to support d...