Multi-Layer Network Routing with Resource-Aware Failover
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Solution Overview
Problem
Current telecommunication networks face challenges in efficiently managing data routing across multi-layer networks, particularly in providing reliable alternative routes for high-priority data flows and optimizing resource usage in case of link failures, which affects the quality of service and network resource utilization.
Innovation Solution
A method and apparatus for determining routing in a multi-layer network by considering available signal transmission/processing resources across both layers, utilizing a routing engine to establish primary and backup paths, and configuring network nodes to ensure resource sharing and efficient recovery from failures, thereby optimizing network resource utilization and ensuring high-priority data flow protection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If alternative routes are provided for high-priority data flows to ensure QoS during link failures, then reliability is improved, but device complexity increases due to multiple routing layers and resource management requirements
Solution Approach 1:
The patent segments the network into multiple hierarchical layers (first layer and second layer nodes) with distinct routing domains. Each layer handles routing independently based on its own resource availability, dividing the complex multi-layer routing problem into manageable sub-problems that can be solved separately while maintaining overall QoS guarantees
Solution Approach 2:
The patent introduces a routing determination mechanism that acts as an intermediary between different network layers. This intermediary coordinates routing decisions across layers by considering resource availability at each layer, enabling seamless failover and resource sharing without requiring direct complex interactions between all network elements
2Productivity
If resource sharing is implemented across multiple network layers to optimize utilization, then productivity is improved, but device complexity increases due to coordinated resource management requirements
Solution Approach 1:
The patent creates a universal routing determination approach that works across multiple network layers and different failure scenarios. The same routing mechanism handles both normal operation and failure recovery, and manages resources across different layers uniformly, eliminating the need for layer-specific complex management logic
Solution Approach 2:
The patent dynamically adjusts routing parameters based on real-time resource availability conditions. When resources are available, normal routing is used; when failures occur, the system changes parameters to activate alternative paths and redistribute resources, enabling flexible optimization without permanent complex configurations
Data Source
AI summary
A method for determining routing for data which is to be transmitted over a multilayer network, the network comprising a first layer of nodes, and a second layer of nodes, and the method comprising determining routing by taking account of available signal transmission/processing resource associated with the first layer and available signal transmission/processing resource associated with the second layer.