Virtual Network Health Checker for State Machine Consistency
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Solution Overview
Problem
Managing state machines in computing networks to prevent inconsistent states, which becomes challenging as complexity increases and is exacerbated by corner cases and race conditions.
Innovation Solution
Implementing a health checker system that periodically analyzes the active log of state machines to determine their current and anticipated states, taking corrective actions to switch the state machine from an inconsistent state to a suitable new state.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the number of computing nodes and state machine complexities increase to support more applications and services, then the network's functionality and capacity improve, but the difficulty of ensuring state consistency and detecting corner cases and race conditions worsens
Solution Approach 1:
The patent segments the state machine verification process into distinct components: a state tracker that monitors state transitions and a corner case detector that identifies problematic patterns. This segmentation allows the system to manage complex state machines by breaking down the verification task into manageable parts, addressing the contradiction between network functionality and state machine complexity.
Solution Approach 2:
The patent introduces an intermediary health checker system that acts as a mediator between the state machine and the verification process. This health checker continuously monitors state transitions, detects corner cases, and identifies race conditions without interfering with the normal operation of the state machine, thus maintaining network functionality while managing complexity.
2Adaptability or versatility
If state machine complexities increase beyond moderate levels, then the network can handle more diverse applications, but the challenge of ensuring state consistency and preventing prolonged inconsistent states worsens
Solution Approach 1:
The patent implements a feedback mechanism where the health checker continuously monitors state transitions and provides real-time information about the current state and detected corner cases. This feedback loop enables the system to identify and correct inconsistent states promptly, maintaining reliability even as application diversity and state machine complexity increase.
Solution Approach 2:
The patent employs preliminary action by proactively detecting corner cases and potential race conditions before they lead to prolonged inconsistent states. The state tracker and corner case detector work in advance to identify problematic patterns, allowing the system to take corrective action before reliability issues manifest, thus supporting diverse applications while maintaining state consistency.
3Reliability
If corner cases and race conditions are exposed in complex state machines, then the system's robustness is tested, but the time required to detect and resolve inconsistent states increases
Solution Approach 1:
The patent implements periodic action through continuous health checking and regular state transitions. The state tracker periodically verifies state consistency and the corner case detector continuously monitors for problematic patterns. This periodic verification approach ensures that corner cases and race conditions are detected systematically, maintaining system robustness while minimizing the time to resolve inconsistencies through automated health check responses.
Data Source
AI summary
Systems, methods, and computer-readable storage media are provided for managing status of state machines in a computing network. Various embodiments of the present technology can be used to track and maintain an active log associated with each state machine in a computing network. The active log of a state machine can be periodically analyzed at a predetermined time interval to determine an anticipated state of the state machine and a current state of the state machine. In response to determining that the state machine is in an inconsistent state (i.e., the anticipated state does not match the current state of the state machine), a suitable action can be taken to switch the current state of the state machine from the inconsistent state to a suitable new state.