Finite State Machine Architecture for Communication Protocol Testing
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Solution Overview
Problem
Existing finite state machine (FSM) architectures are cumbersome for test case modeling and generation, particularly when requiring numerous tables for states, inputs, triggers, actions, conditions, and events, and lack intrinsic support for test-related operations, making them inefficient for modeling and testing communication protocol behaviors.
Innovation Solution
A novel FSM architecture that separates user-modifiable code for states, messages, and transition handlers from supporting modules, providing intrinsic test-related functions and allowing for rapid deployment, configurability, and scalability, enabling efficient modeling and execution of test cases for communication protocols.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional FSM architectures use numerous tables for states, inputs, triggers, actions, conditions, and events, then comprehensive protocol behavior modeling is achieved, but system complexity and ease of operation deteriorate
Solution Approach 1:
The patent segments the monolithic FSM architecture into modular components: protocol layer abstraction, state machine engine, and event handling subsystem. This segmentation allows comprehensive protocol modeling while reducing overall system complexity by isolating different functional concerns into separate manageable modules.
Solution Approach 2:
The patent introduces an intermediary protocol layer that sits between the FSM tables and the execution engine. This intermediary layer provides a standardized interface that simplifies operation by mediating between the complex table structures and the state machine logic, reducing the operational burden on users.
2Manufacturing precision
If traditional FSM architectures require user management of multiple tables, then detailed protocol control is achieved, but ease of operation and productivity worsen
Solution Approach 1:
The patent implements self-service mechanisms where the FSM engine automatically generates, validates, and manages the protocol tables based on high-level protocol specifications. This eliminates the need for users to manually manage complex tables while maintaining precise protocol control, as the system serves itself in configuring the detailed protocol behavior.
Solution Approach 2:
The patent performs preliminary actions by pre-configuring the FSM engine with protocol templates and validation rules before execution. This preliminary setup automatically generates the necessary table structures and relationships, allowing users to focus on high-level test case design rather than detailed table management, thus improving ease of operation without sacrificing control precision.
3Speed
If hardware-optimized FSM architectures are used, then execution speed is improved, but adaptability to software-based testing and configurability worsen
Solution Approach 1:
The patent implements a dynamic FSM architecture that can adapt its execution mode based on requirements. The engine can operate in high-speed mode for critical path execution and switch to configurable mode for protocol-specific behaviors. This dynamic adaptability allows the system to maintain hardware-like execution speed while remaining flexible for software-based testing and protocol variations.
Solution Approach 2:
The patent creates a universal FSM engine that can handle both hardware-optimized scenarios and software-based testing requirements through a single architecture. The engine provides multiple execution modes and configuration options, making it universally applicable to different testing environments without sacrificing speed or adaptability.
Data Source
AI summary
The technology disclosed relates to implementing a novel architecture of a finite state machine (abbreviated FSM) that can be used for testing. In particular, it can be used for testing communications devices and communication protocol behaviors.