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Online Social Networks (OSNs) are the core of most communications nowadays, leading to possibly sensitive information exchange. Privacy is an important building block of free societies, and thus, for OSNs. OSNs function as group communication systems and can be build in centralised and distributed styles. Privacy can be achieved in distributed systems as all participants contribute to privacy. Peer-to-peer-based...
In these days, a large amount of popular peer-to-peer (also commonly known as P2P) applications, especially in the live streaming domain, are operating in Internet. One of the keys to success of such an application is the mutual cooperation among the participants (i.e., peers) in that application. However, presence of selfish peers (also commonly known as free riders) affects the performance of the...
This paper presents a multicast Delay Tolerant Network (DTN) routing protocol that uses an economic gain based routing utility for device-to-device (D2D) commercial coupon dissemination. Majority of the existing DTN routing approaches are not practically applicable to commercial content dissemination since they attempt to individually optimize performance indices such as message delay, forwarding...
Very popular system in VANET applications is collision prevention system that helps to prevent from chain collisions. The system obtain the vehicle information and traffic information during any emergency situation happens. It broadcast the warning messages to other vehicles for automatic break control to prevent collisions. The system sends the emergency message to vehicles in the network, before...
Cross-layer design with respect to reference layered architecture is the design of algorithms, protocols and architectures that utilize an available set of interlayer exchanges a superset of the standard interfaces provided by the reference layered architecture. The cross layer approach transports feedback, dynamically via the layer margins to enable the remuneration for e.g. load, latency or other...
This paper presents a peer-to-peer (P2P) framework for the deployment of live video streaming applications over P2P overlay networks. The proposed framework provides support for flash-crowds, decentralizes decision making and makes use of network coding to reduce bandwidth consumption. We present the framework and the simulation results that demonstrate the framework's effectiveness.
The majority of the routing protocols designed to date for mobile ad hoc networks (MANET) rely on flooding of route requests for the establishment of routes on demand. A novel approach called CBORCA (Cut-Based On-demand Routing with Coordinate Awareness) is introduced. CBORCA improves the efficiency with which route requests are disseminated by partitioning the designated route forwarders in distinct...
This paper investigates how a p2p television platform can take advantage of the presence of frequent channel viewers to grant them a more satisfying service than to less regular spectators. The idea we explore is to learn beforehand about the users' interests, in order to cluster them in groups that display different behaviors; then, the neighborhood creation strategy and video chunk scheduling algorithm...
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