Omnidirectional Programmable Client Interface Module for Line Card Failure Rerouting
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Solution Overview
Problem
Existing networking devices face challenges in efficiently protecting client traffic due to high port counts, rigid configurations, and lack of programmability, which limits their ability to reroute traffic in failure cases and perform maintenance without causing service interruptions.
Innovation Solution
The implementation of an Omnidirectional Programmable Client Interface Module (OPCIM) that is auto-programmable, allowing it to configure and reroute client traffic dynamically in response to failures or maintenance needs, thereby ensuring continuous service and efficient resource utilization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If networking devices are configured with a high number of ports and interfaces to meet growing internet demand, then the device capacity and connectivity are improved, but the device complexity and configuration difficulty increase
Solution Approach 1:
The system implements self-service through automatic failure detection and self-healing mechanisms. When a line card failure is detected, the system automatically reroutes traffic through alternative paths without requiring manual intervention, thereby reducing configuration difficulty while maintaining high device capacity
Solution Approach 2:
The system dynamically changes routing parameters and traffic flow configurations in response to detected failures. By automatically adjusting these parameters, the system maintains adaptability for high-capacity operations while simplifying the configuration process through automated parameter management
2Stability of the object's composition
If rigid configurations are used in networking devices, then the device stability and manufacturing simplicity are improved, but the ability to reroute traffic in failure cases deteriorates
Solution Approach 1:
The system implements dynamic configurations that allow traffic rerouting while maintaining overall device stability. The configuration can adapt in real-time to failure conditions, enabling automatic path changes without compromising the fundamental stability of the networking device
Solution Approach 2:
The system prepares alternative routing paths in advance as part of the stable configuration. When failures occur, these pre-prepared paths are activated automatically, maintaining device stability while providing the necessary adaptability for traffic rerouting
3Reliability
If manual reconfiguration is performed for maintenance or failure recovery, then the device reliability is improved through careful control, but the service interruption time and operational complexity increase
Solution Approach 1:
The system performs self-service failure recovery by automatically detecting line card failures and executing rerouting procedures without manual intervention. This maintains high reliability through controlled recovery processes while eliminating service interruption time associated with manual reconfiguration
Solution Approach 2:
The system implements continuous monitoring and feedback mechanisms that detect failures and automatically trigger rerouting actions. This closed-loop control ensures reliable failure recovery while minimizing service interruption time through immediate automated response
4Adaptability or versatility
If programmable client interface modules are added to enable flexible traffic protection, then the adaptability and protection capability are improved, but the device complexity and cost increase
Solution Approach 1:
The programmable client interface module serves multiple functions including traffic protection, failure detection, automatic rerouting, and maintenance operations. This multi-functionality improves adaptability and protection capability while reducing overall device complexity by consolidating multiple capabilities into a single universal module
Data Source
AI summary
Techniques for programming an omnidirectional programmable client interface module (OPCIM) to receive a control signal and for configuring a set of outputs of a first output and a second output. Programming the OPCIM for routing the control signal from one input of the OPCIM to the first output and the second output of the OPCIM to output a first output signal and a second output signal to a first Line Card and a second Line Card coupled to each output, respectively. In response to a failure of at least either one of the Line Cards, automatically enabling reprogramming the OPCIM for routing the control signal to either Line Card that is still operational to prevent a service interruption in sending the control signal from one input to an output of either the first output or the second output to the Line Cards coupled to outputs of the OPCIM.