Automated Recovery from Split Segment Conditions in Layer 2 Network Teams
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Solution Overview
Problem
Current network configurations lack automated recovery mechanisms to restore connectivity when a split segment condition occurs due to failures in uplink connections, leading to isolation of clients from the server and potential network disruptions.
Innovation Solution
A method that automatically detects network segment splits and reconfigures team members to operate as primary resources within isolated segments, ensuring continued communication and restoring connectivity by assigning unique MAC addresses as needed, allowing the network to recover without manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If network segment splitting is allowed for redundancy, then fault tolerance is improved, but automated recovery capability deteriorates
Solution Approach 1:
The system implements automated detection of split segment conditions through monitoring mechanisms that provide feedback about network connectivity status. When a split is detected, the system automatically triggers reconfiguration procedures, eliminating the need for manual intervention while maintaining fault tolerance through the redundant path architecture.
Solution Approach 2:
The network system performs self-healing by automatically detecting split segment conditions and reconfiguring team members to restore connectivity. The system serves itself by autonomously identifying the problem and executing the recovery procedure without external assistance, thereby improving both automation extent and maintaining reliability.
2Measurement precision
If manual intervention is required for recovery, then control precision is improved, but loss of time increases
Solution Approach 1:
The system pre-configures multiple team members with potential primary resource capabilities before a split occurs. When a split segment condition is detected, the system can immediately activate a pre-prepared recovery configuration, eliminating the time required for manual reconfiguration while maintaining precise control over the recovery process through automated execution of predetermined procedures.
3Productivity
If team reconfiguration is automated, then productivity is improved, but device complexity increases
Solution Approach 1:
The recovery system is segmented into distinct functional modules: detection mechanisms that identify split conditions, decision logic that determines reconfiguration actions, and execution components that implement the reconfiguration. This modular segmentation enables automated high-speed recovery while managing complexity through clear separation of concerns, with each module performing a specific function independently.
Data Source
AI summary
A computer system automatically recovers from a split segment condition in which a contiguous layer 2 network segment, comprising a plurality of contiguous paths each directly coupling one or more members of a team of network resources of the computer system to a core switch of a layer 2 network, is split into two or more noncontiguous segments each comprising a contiguous set of one or more of the plurality of paths. The computer system includes a team of network resources having one or more members that couple it to each one of the plurality of paths. A teaming driver binds the drivers of each member of the team and is coupled to the segment through the members of the team. The teaming driver detects whenever the network segment has been split into two or more noncontiguous segments and then configures the team such that one of the members coupled to a path within each of the noncontiguous segments is designated as a primary resource thereby restoring connectivity of the isolated paths to the computer system.