Marco Papa Manzillo

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—Current Peer-to-Peer (P2P) file sharing systems make use of a considerable percentage of Internet Service Providers (ISPs) band-width. This paper presents the Collaborative Locality-aware Overlay SERvice (CLOSER), an architecture that aims at lessening the usage of expensive international links by exploiting traffic locality (i.e., a resource is downloaded(More)
The wide diusion of NATs (and, in some respect, rewalls) may prevent some applications that require direct end-to-end connectivity (e.g., real-time media) from being able to connect to the remote party. While the solutions currently adopted rely on centralized nodes as third party relays, the DISCOS architecture has been recently proposed and aims at(More)
—While peer-to-peer networks are mainly used to locate unique resources across the Internet, new interesting deployment scenarios are emerging. Particularly, some applications (e.g., VoIP) are proposing the creation of overlays for the localization of services based on equivalent servants (e.g., voice relays). This paper explores the possible overlay(More)
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