Analyzation of the Scalability Problems of Distributed Presence Server Architectures

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Provided by: Creative Commons
Topic: Mobility
Format: PDF
A mobile presence service is an important factor of social network services in cloud computing environments. The key function of a mobile presence service is to maintain an up-to-date list of presence information of all mobile users. The presence information includes details about a mobile user's location, availability, activity, device capability and preferences. The service must also connect the user's ID to the user current presence information as well as regain and subscribe to changes in the presence information of the user's friends.
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