Presence Cloud Organizes Presence Servers into a Server-to-Server Architecture

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Provided by: Creative Commons
Topic: Cloud
Format: PDF
Social network applications are becoming increasingly popular on mobile devices. A mobile presence service is an essential component of a social network application because it maintains each mobile user's presence information, such as the current status (online/offline), GPS location and network address, and also updates the user's online friends with the information continually. If presence updates occur frequently, the enormous number of messages distributed by presence servers may lead to a scalability problem in a large-scale mobile presence service.
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