Edge Application Handover Client for Seamless Server Migration
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Solution Overview
Problem
Current 5G Edge Application and V2X Application Architectures lack adequate support for seamless handovers of Application Clients (ACs) between Edge Application Servers (EASs, particularly in scenarios involving frequent handovers, which can lead to service disruptions and inefficient resource management.
Innovation Solution
An Edge Application Handover (EAH) framework, comprising an Edge Application Handover Client (EAHC) on UEs and an Edge Application Handover Server (EAHS) in the network, facilitates seamless handovers by analyzing service requirements, managing EASs, and optimizing resource usage through policies and network interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If Application Clients perform handovers between Edge Application Servers in current 5G architecture, then service migration is enabled, but service disruptions and inefficiencies occur due to lack of dedicated handover management
Solution Approach 1:
The patent introduces an Edge Application Handover Client (EAHC) as an intermediary component that mediates handover operations between Application Clients and Edge Application Servers. The EAHC intercepts service requests, determines handover necessity based on policies, and coordinates the handover process, thereby reducing service disruptions and enabling smoother transitions between edge servers.
Solution Approach 2:
The system performs preliminary handover assessments by analyzing service requirements and context information before actual handover execution. The EAHC evaluates whether handover is necessary and prepares handover decisions in advance based on configured policies, reducing the time and disruption during the actual handover execution phase.
2Adaptability or versatility
If frequent handovers are performed without dedicated management, then application mobility is supported, but resource management efficiency deteriorates
Solution Approach 1:
The EAHC implements feedback mechanisms by continuously monitoring service requirements, context information, and handover outcomes. It uses this feedback to optimize handover decisions, adjusting handover triggers and parameters based on observed performance, thereby improving resource management efficiency while maintaining application mobility.
Solution Approach 2:
The system dynamically changes handover parameters such as triggering thresholds, evaluation criteria, and policy rules based on network conditions and service requirements. This allows the handover management to adapt to different scenarios, improving resource efficiency without compromising application mobility capabilities.
3Ease of operation
If manual handover management is used by Application Clients, then implementation simplicity is maintained, but handover optimization and aggregation across multiple applications deteriorate
Solution Approach 1:
The patent merges handover management functions across multiple Application Clients by introducing the EAHC that handles handover operations for multiple applications centrally. This aggregation enables coordinated handovers, reduces redundant operations, and improves overall resource utilization while maintaining the simplicity of individual application implementations.
Data Source
AI summary
An edge application handover client in a user equipment may use application client information, such as type service, provider, location, context, and sendee requirements, to assist seamless edge application handovers of application clients between edge application servers. For example, a handover client may use context information to determine an anticipated route of the user equipment, and thereby determine a next, edge application server for a handoff. The handover client may weigh the needs of multiple application client m selecting servers for handovers. The handover client may issue requests to servers requesting assistance in handover operations, and may issue subscription requests to servers, and further may determine the success of handovers by monitoring application state synchronization or migration between edge application handover servers.