Edge Configuration Server Reconnection Signaling Reduction
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Solution Overview
Problem
In edge computing service environments, the existing technologies face challenges in minimizing signaling required for the reconnection of terminal devices, particularly when they need to reconnect to an edge application through an edge cloud site closest to their network connection location.
Innovation Solution
The proposed solution involves an edge configuration server (ECS) and an edge enable server (EES) that manage session management information for terminal devices. The ECS determines whether a terminal device reconnects and induces the device to connect to the closest edge cloud site by transmitting relevant connection information cached in the session management information.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If a terminal device reconnects to an edge application through centralized network structure, then network management is simplified, but reconnection signaling overhead increases and latency increases
Solution Approach 1:
The patent segments the network management function by introducing an Edge Configuration Server (ECS) at the edge network node, separating it from the centralized network structure. This allows reconnection management to be handled locally at the edge, reducing signaling overhead and latency while maintaining centralized management for other functions.
Solution Approach 2:
The Edge Configuration Server acts as an intermediary between the terminal device and the core network during reconnection. It receives reconnection requests, provides appropriate edge network information, and facilitates efficient reconnection without requiring direct communication with centralized network elements, thus reducing latency.
2Loss of time
If session management information is cached at edge configuration server, then reconnection signaling is reduced, but memory resources at edge node are consumed
Solution Approach 1:
The patent applies local quality by caching session management information specifically at the Edge Configuration Server where it is most needed for rapid reconnection. This localized caching provides fast reconnection service to edge users without requiring all network nodes to maintain such information, optimizing the balance between reconnection speed and resource consumption.
Data Source
AI summary
The present disclosure relates to an edge configuration server, an edge enable server, and an operating methods thereof capable of minimizing signaling required for reconnection of a terminal device in an edge computing (multi-access edge computing: MEC) service environment in which an edge computing service is available through an edge cloud site (MEC site) closest to a network connection location of the terminal device.