Host Reliability Assessment via Alternative Path Testing
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Solution Overview
Problem
In complex computer networks, determining the reliability of application availability independently of the application is challenging due to high complexity and the dependence on multiple network nodes and data links, which complicates scalability and availability.
Innovation Solution
A method where each host tests for alternative paths and determines the reliability of availability by combining network nodes, identifying minimal risk groups and failure scenarios, allowing for parallel computation and scalability, and sending this information to network nodes for further processing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If redundant network nodes and networking hardware are used to increase reliability, then the availability of the application is improved, but the complexity of the computer network increases
Solution Approach 1:
The patent segments the network reliability assessment into individual host-level computations. Each host independently determines its own failure scenarios by analyzing alternative paths to network nodes, rather than requiring a centralized complex analysis of the entire network. This segmentation allows reliability determination to scale with network size while maintaining manageable complexity at each host.
Solution Approach 2:
The patent changes the approach from analyzing network-wide redundancy configurations to evaluating path diversity parameters at the host level. By focusing on the number and quality of alternative paths from each host to network nodes, the system determines reliability based on path parameters rather than overall network complexity.
2Productivity
If the availability of the application is determined independently of the application in complex networks, then scalability is improved, but the difficulty of detecting and measuring reliability increases
Solution Approach 1:
Each host performs self-assessment of its own reliability by independently determining alternative paths to network nodes and evaluating its failure scenarios. This self-service approach eliminates the need for centralized monitoring or application-specific analysis, enabling scalable reliability determination across complex networks while simplifying the measurement process at each host.
Data Source
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AI summary
The invention concerns a method and corresponding device, the method comprising: testing, at a host (Host 20, Host 22, Host 24), for at least one predetermined path between the host (Host 20, Host 22, Host 24) and a predetermined network node (G), if an alternative predetermined path between the host (Host 20, Host 22, Host 24) and the predetermined network node (G) exists, determining, at the host (Host 20, Host 22, Host 24) of, information regarding reliability of the availability of the host (Host 20, Host 22, Host 24) based on the result of the test. The invention further concerns a corresponding method and device, the further method comprising: receiving information, originating at least at one host (Host 20, Host 22, Host 24), regarding reliability of at least one path between a predetermined network node (G) and the at least one host (Host 20, Host 22, Host 24), determining information regarding reliability of the availability of an application deployed in the network based on the received information.