User Data Harmonization for Subscriber Self Administration
Original Publication Date: 2003-Dec-25
Included in the Prior Art Database: 2003-Dec-25
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The evolution of cellular networks, which are a composition of several domains within the 3GPP (3rd Generation Partnership Project) mobile system, and the introduction of new service platforms (e.g. 3G ISP application infrastructure) introduces a wide distribution of user relevant data within different entities of the network. Thus, as user related data are stored in different places within the network, managing those data becomes a difficult task for users, subscribers, network operators and value added service providers as well. Currently, every service collects and controls its own user profiles, which can be held either by the Application Server (AS) or by the Home Subscriber Server (HSS), depending on the underlying architecture. While synchronization of, at least semantically, identical data in different data stores can be achieved by well known mechanism (e.g. GUP, Gatekeeper Update Protocol), harmonization of logically comparable data is still an open point. They have to be configured separately for each service. This can result in potentially inconvenient or even problematic aspects of Subscriber Self Administration. For example, the addition of a new "buddy" to both the "colleagues buddy list" (presence) and the "colleagues group list" (instant messaging) of the same user is not supported. Thus, synchronization can be achieved only by the clients themselves, by administrating the services separately.