Control Entity Selection for Telecommunication Reliability
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Solution Overview
Problem
Distributed telecommunication systems face reliability issues due to failures at the site of the switching processing element (SPE) and network fragmentation, which can prevent control over port networks, even with duplicated computers.
Innovation Solution
A method that determines priority scores for control entities, detects communication loss, and selects an alternative entity with the highest priority to ensure continuous control information supply, utilizing a server interface module to dynamically manage communication and switch between computer clusters.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If duplicated computers are used to perform SPE functions, then reliability is improved, but the system cannot prevent failures caused by extreme disasters at the SPE site or network fragmentation
Solution Approach 1:
The patent segments the control function by introducing multiple distributed control entities (SPEs) across different locations rather than relying on a single centralized control system. Each control entity independently manages port networks in its region, allowing the system to continue functioning even if one control entity fails due to disaster or network fragmentation. This segmentation enables fault isolation and maintains service continuity.
Solution Approach 2:
The patent introduces an intermediary mechanism (control entity selection logic) that mediates between the media connectivity endpoint and the control entities. When communication with a primary control entity is lost, the intermediary automatically selects and switches to an alternative control entity based on pre-established priorities, ensuring continuous control without requiring manual intervention or system reconfiguration.
2Adaptability or versatility
If control is transmitted over the Internet, then distributed port networks can be managed, but network fragmentation may prevent SPE from maintaining control over port networks
Solution Approach 1:
The patent implements dynamic control entity selection where the media connectivity endpoint can switch between different control entities based on real-time communication status. The system dynamically adjusts its control path by monitoring communication quality and automatically transitioning to alternative control entities when network fragmentation or failures occur, maintaining adaptability in dynamic network conditions.
Solution Approach 2:
The patent changes the control parameter from a fixed single control entity to a dynamic set of multiple control entities with priority levels. By establishing and maintaining priority scores for multiple control entities, the system can flexibly reconfigure control paths based on network conditions, transforming the control mechanism from static to adaptive in response to network fragmentation.
Data Source
AI summary
A method and apparatus for assuring telecommunication reliability by receiving from each of a plurality of control entities factors concerning priority of each of the plurality of control entities; determining a priority score for each of the plurality of control entities; detecting lose of communication with a one of the plurality of control entities from which the media connectivity endpoint presently receives control information; selecting another one of the plurality of control entities having the highest priority score; and requesting the selected other one of the plurality of control entities to supply control information.