Edge Device Session Continuity During Mobile Handover
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Solution Overview
Problem
Existing computing systems face challenges in providing low latency and data sovereignty for edge devices, especially in scenarios with unreliable connectivity, as they often rely on distant service provider environments, leading to increased latency and resource costs.
Innovation Solution
Implementing edge devices in access networks to host applications closer to end-users, utilizing kernel-based virtual machines (KVMs) for multi-tenancy and disparate applications, and employing logical group addresses for message communication between device groups over a grouping overlay network, ensuring efficient data processing and session continuity during device mobility.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If applications are hosted at distant service provider environments, then data sovereignty and resource management are centralized, but latency increases and connectivity reliability decreases
Solution Approach 1:
The patent segments the centralized service provider environment into distributed edge devices located closer to end users. Each edge device can independently host applications and process data locally, eliminating the single point of failure and reducing dependency on distant centralized resources, thereby improving connectivity reliability and reducing latency simultaneously.
Solution Approach 2:
The patent introduces a spatial dimension to application hosting by distributing services across multiple geographic locations (edge devices) rather than concentrating them in a single distant data center. This spatial distribution enables users to access nearby edge devices, reducing network latency while maintaining service availability through multiple distributed nodes.
2Reliability
If applications are migrated between edge devices during device handover, then session continuity is maintained, but system complexity increases
Solution Approach 1:
The patent applies preliminary action by pre-establishing connections and preparing application states at target edge devices before actual device handover occurs. This proactive approach ensures that when handover happens, the application can seamlessly continue execution at the new edge device without interruption, maintaining session continuity while automating the complexity management.
Solution Approach 2:
The patent introduces a network function virtualization layer as an intermediary that manages application migration between edge devices. This virtualization layer abstracts the complexity of direct device-to-device migration, providing standardized interfaces and automated orchestration that simplifies the overall system architecture while enabling seamless session continuity during handovers.
3Productivity
If edge devices process data locally, then latency is reduced and backhaul bandwidth is freed, but data sovereignty and security management become more challenging
Solution Approach 1:
The patent implements a universal data governance framework that operates across all edge devices regardless of location or type. This framework provides standardized policies for data sovereignty, security, and compliance that can be uniformly applied to diverse edge devices, simplifying management while enabling local data processing. The universal approach allows organizations to maintain control over data rights and permissions across the distributed edge infrastructure.
Data Source
AI summary
Technology is described for communicating messages between edge devices. A process may be executed at a first edge device for use by a mobile device that is connected to the first edge device. A connection may be established between the first edge device and a second edge device. The first edge device may determine that the mobile device has been handed over from the first edge device to the second edge device. Messages may be communicated between the process executing on the first edge device and the mobile device via the connection with the second edge device when the mobile device has been handed over from the first edge device to the second edge device.