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Search algorithms have been a widely studied topic in the context of Peer-to-Peer (P2P) networks. Generally speaking, unstructured P2P networks, such as Gnutella, are used for performing arbitrary searches (i.e., the form of a search request is not restricted) and structured networks, such as the ones based on Distributed Hash Table algorithms, are used for performing exact searches (i.e., the form...
Internet video broadcasting allows video playback simultaneously by many users in a network. Most broadcast approaches are limited to (i) one video broadcast server, and (ii) a fixed play time for all nodes. With only one server the more users join a broadcast program, the more load on the server. To solve this problem a mixture of characteristics from live-video streaming and video-on-demand is proposed...
Providing the required quality of service (QoS) for clients in a wireless mesh network (WMN) is a challenging task. This is due to the complex architecture of the WMN and unpredictable behavior of the wireless links and the intermediate nodes. This can be alleviated by introducing a cognitive mechanism within the WMN. In this paper, a WMN is developed, where the data traffic is forwarded in a cognitive...
Streaming video over the Internet, including cellular networks, has now become commonplace. Network operators typically use multicasting or variations of multiple unicasting to deliver streams to the user terminal in a controlled fashion. An emerging alternative is P2P streaming, which is theoretically more scalable but suffers from other issues arising from the dynamic nature of the system. User's...
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