Large user Transmission through Presence Cloud in Mobile Presence Server Architecture
Keywords:Mobile Computing, Social Network applications, Presence Cloud, Mobile presence services, Distributed presence servers, grid quorum systems.
In present days, Mobile phones are very much attracted & maximum numbers of peoples are used very widely. And also usages of social networks are increased day by day, especially in mobile phones. Presence service of mobile is an important element of a social network application. The most significant action of a mobile presence service is to enable mobile user’s presence updates. Here, presence data means, it consists human’s current standing, user’s position or place (GPS location), Internet Protocol address & also updates of their online friends continuously. Frequent huge number of messages shared by presence servers which may lead to a buddy-list search problem in a large-scale mobile presence service. By this cause, searching operation is slow, communication cost is high and also search latency is high. For, overcome these types of problems, we propose an effective presence server architecture, called “Presence Cloud”, that enables mobile presence services even in large-scale social networks. Presence cloud arranges presence servers into a quorum-based server-to-server architecture, in order to provide effective presence searching. For approach of low search latency, one-hop caching strategy and directed buddy search are given a great support. Presence cloud is used to decrease the communication cost without compromising the search satisfaction level.
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