Active-Standby Network Switching for Communication Error Recovery
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Solution Overview
Problem
Existing communication systems in banking environments are prone to interruptions and resource inefficiencies due to communication errors and line failures, which disrupt message transmission and reception between internal affairs processing systems and outside authorities.
Innovation Solution
A system comprising active-active outside-affairs servers, active-standby network devices, and switching mechanisms that automatically reroute messages through backup lines when errors occur, ensuring continuous message transmission and load balancing between servers and network devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a single server structure is used for outside affairs processing, then the system structure is simple, but communication errors cause complete system failure and message transmission interruptions
Solution Approach 1:
The system is divided into multiple independent servers (first outside-affairs server, second outside-affairs server, first outside channel combination server, second outside channel combination server) that can operate independently. Each server handles specific message transmission tasks, and failure of one server does not affect the others, thus improving reliability while maintaining manageable complexity through modular design.
Solution Approach 2:
Backup servers are pre-configured and standby network devices are prepared in advance. When communication errors occur, the system can immediately switch to backup servers or standby devices without interruption to message transmission, providing error cushioning before failures actually impact operations.
2Productivity
If load balancing is implemented between multiple servers, then system resource management is improved, but the system complexity increases with multiple active and standby components
Solution Approach 1:
Multiple servers (first and second outside-affairs servers, first and second outside channel combination servers) are merged into a unified system with shared functionality. They work together to process outside affairs, balancing loads across servers while presenting a single integrated service interface, thus improving productivity without proportionally increasing operational complexity.
Solution Approach 2:
Each server is designed with universal capabilities to handle various types of message transmission and outside affairs processing. The servers can perform multiple functions including message relaying, communication handling, and affair processing, reducing the need for specialized components and simplifying the overall system architecture.
3Reliability
If standby network devices are configured for automatic switching, then communication continuity is maintained during errors, but the system requires more components and switching mechanisms
Solution Approach 1:
Switching devices act as intermediaries between active network devices and outside authorities. These switching devices manage the complexity of backup connections by providing a centralized control point for automatic switching, isolating the complexity from the rest of the system while ensuring communication continuity during errors.
Solution Approach 2:
Standby network devices and backup communication lines are configured and tested in advance before actual failures occur. The switching mechanisms are pre-programmed with failover logic, enabling automatic activation of standby devices without requiring complex real-time decision-making during actual communication errors.
4Reliability
If multiple communication paths are established for error recovery, then message transmission stability is improved, but the system requires more communication lines and network devices
Solution Approach 1:
Instead of creating entirely separate communication infrastructure for backup paths, the system uses copying of existing communication protocols and message formats across multiple paths. The same message structures and communication standards are replicated across different transmission routes, reducing the complexity and quantity of required communication lines while maintaining error recovery capability.
Data Source
AI summary
Provided are a system and method for processing communication errors in an outside channel combination environment. The system includes: first and second outside-affairs servers connected with a plurality of user terminals and having respective outside-affairs processing applications to perform outside affairs associated with a plurality of outside authorities; first and second outside channel combination servers for processing outside affairs associated with the outside authorities, the first and second outside channel combination servers having respective message relaying and communication applications to interwork with the first and second outside-affairs servers; first and second active and standby network devices respectively connected in parallel with the first and second outside channel combination servers, the first and second active network devices performing normal outside affairs, and the first and second standby network devices being activated when a communication error is generated to perform the normal outside affairs; and first and second switching devices respectively provided between the first and second active and standby network devices and the outside authorities to selectively connect the first and second active and standby network devices when the communication error is generated. Thus, communication errors can be minimized and system resources can be efficiently managed by distributing system loads.