Edge Server Rediscovery After Terminal Set Disassociation
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Solution Overview
Problem
In edge computing scenarios, terminals face delays and suboptimal user experiences due to the disassociation from terminal sets, necessitating efficient reselection of edge application servers.
Innovation Solution
A communication method involving network elements and terminals to trigger edge application server re-discovery and migration upon disassociation, including the use of indication information to clear DNS caches and determine suitable new servers.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If terminals remain in a terminal set and access a common edge application server, then resource utilization is improved and management is simplified, but when terminals exit the set, service delays occur and user experience deteriorates due to lack of automatic reselection
Solution Approach 1:
The network element proactively detects terminal disassociation from the terminal set and triggers edge application server reselection before service degradation occurs. This preliminary detection and response mechanism ensures continuous service without delays, resolving the contradiction between maintaining set-based resource efficiency and ensuring immediate service continuity upon disassociation.
2Adaptability or versatility
If terminals perform edge application server re-discovery upon exiting a terminal set, then service suitability is improved, but system complexity increases due to additional discovery and selection procedures
Solution Approach 1:
A network element acts as an intermediary between terminals and edge application servers, managing the reselection process. The network element receives disassociation notifications, performs server reselection, and updates terminal routing information, thereby simplifying the overall system architecture while maintaining adaptability. This intermediary approach reduces terminal-side complexity while ensuring suitable service matching.
3Speed
If distributed service traffic is processed locally at the network edge, then response speed is improved, but maintaining optimal terminal-server matching becomes more difficult when terminals dynamically join or exit terminal sets
Solution Approach 1:
The system implements feedback mechanisms where network elements continuously monitor terminal disassociation events and trigger reselection processes. This feedback loop ensures that terminal-server mappings are dynamically updated to maintain optimal matching accuracy, preserving both response speed and reliability in distributed edge computing environments with dynamic terminal sets.
Data Source
AI summary
Embodiments of this application provide a communication method and apparatus and system configured to execute the method, which may include determining that a first terminal is disassociated from a first terminal set including one or more terminals configured to access a first edge application server or a first data network access identifier. In response to determining that the first terminal is disassociated from the first terminal set, sending a protocol data unit session modification instruction including first indication information that is edge application server re-discovery indication information.