Presence Network Agent Watcher List Filtering
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Solution Overview
Problem
The dynamic nature of presence information in telecommunications networks, particularly in telephony networks with millions of users, leads to network overload and database management challenges due to frequent data inquiries and updates, necessitating a method to limit user monitoring and update frequency.
Innovation Solution
Conditioning the collection of user-related data by presence network agents based on requests from interested users, using SIP messages like 'SUBSCRIBE' and 'REGISTER' to manage data collection and publication, reducing unnecessary data retrieval and publication on the presence server.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If presence network agents continuously collect and publish user-related data from network apparatuses, then presence information is kept updated and available, but network load increases and database management becomes difficult
Solution Approach 1:
The system performs preliminary actions by establishing watcher lists in advance that specify which users are interested in presence information about which other users. This allows the presence network agents to pre-filter data collection activities, only querying network apparatuses for users who have active watchers, thereby reducing unnecessary data collection and publication while maintaining information availability.
2Measurement precision
If presence network agents query network apparatuses frequently to obtain user data, then presence information remains current, but network overload occurs
Solution Approach 1:
The system establishes watcher lists in advance that identify which users need presence information about which other users. This preliminary configuration enables presence network agents to selectively query network apparatuses only when there is actual demand for presence information, avoiding frequent unnecessary queries and reducing network overload while maintaining accurate presence data.
Solution Approach 2:
The system implements feedback mechanisms where presence information publication is triggered by watcher interest. When users subscribe to presence information about specific users, this feedback signal activates data collection and publication only for those specific cases, creating a demand-driven approach that maintains information accuracy without causing network overload.
Data Source
AI summary
A method for providing presence information associated with a first user of a telecommunications network, comprises collecting from at least one network apparatus user-related data adapted to build the presence information; and publishing the collected user-related data. The publishing comprises arranging the collected user-related data in the presence information and making it available to at least a second user. The collecting of the user-related data from the network apparatus is conditioned to the receipt from the second user of a request for providing the presence information for the first user.