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In distributed systems, a group of multiple processes are cooperating with each other by exchanging messages in networks. A process is considered to be a sequence of events in a finite state machine model. Here, it is significant to decide on which event causally precedes another event for a pair of events in a system. In the Lamport's happen-before relation among events, events are partially ordered...
Replicas of multimedia objects are distributed to peers in overlay networks. Multimedia objects are characterized in terms of not only data structure parameter but also quality of service (QoS) parameters like frame rate. Replicas have to be synchronized to be mutually consistent. Each parameter of a replica is read and written by transactions. Thus, the data structure and QoS parameters of a replica...
In peer-to-peer (P2P) overlay networks, a group of multiple peers have to cooperate with each other. P2P systems are in nature scalable, distributed systems, where there is no centralized coordinator. Hence, a group of peers is required to be scalable in P2P overlay networks. Each peer sends a message to every peer and every other peer receives the message in a group. In group communication, each...
Multimedia objects are distributed to peers through downloading and caching in peer-to-peer (P2P) overlay networks. In the quorum-based (QB) protocols, every replica of an object is not up-to-date and the replicas are totally ordered in the version counters. On the other hand, multimedia objects are characterized in terms of not only data structure but also quality of service (QoS) like number of...
Multimedia objects are distributed to peers through downloading and caching in peer-to-peer (P2P) overlay networks. Multimedia objects are characterized in terms of not only data structure but also quality of service (QoS). Replicas of a multimedia object are partially ordered in terms of newness of data structure and QoS. We discuss the multimedia quorum-based (MQB) protocol to synchronize multiple...
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