Message Backup System for Network Reliability
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Solution Overview
Problem
Digital data networks face inefficiencies in message transmission and reliability due to message loss, with existing protocols being far from ideal in handling packet retransmissions.
Innovation Solution
A message backup system is integrated into the network, which stores backup copies of messages across routing nodes, detects undelivered messages, and restores them by modifying message headers with checkpoint metadata for efficient recovery.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If packet retransmission protocols are used to handle message loss, then message delivery reliability is improved, but network overhead and complexity increase
Solution Approach 1:
The patent introduces an intermediary backup system that acts as a mediator between message sources and destinations. This system stores backup copies of messages and can replay them when loss is detected, thereby improving reliability without requiring complex retransmission protocols at the network level. The intermediary handles the complexity of recovery, simplifying the overall protocol structure.
Solution Approach 2:
The patent implements preliminary action by pre-storing backup copies of messages before they are potentially lost. The backup system proactively retains message copies and can immediately replay them when loss is detected, eliminating the need for complex on-demand retransmission protocols. This advance preparation simplifies the protocol while ensuring reliable delivery.
2Reliability
If backup copies of messages are stored and replayed, then message delivery reliability is improved, but storage requirements and system complexity increase
Solution Approach 1:
The patent applies the copying principle by creating backup copies of messages that are stored in a backup system. These copies can be replayed when message loss is detected, improving delivery reliability. The copying approach allows the system to maintain simple storage and retrieval mechanisms without requiring complex error correction or retransmission protocols.
3Reliability
If message backup and replay mechanisms are implemented, then message loss recovery is improved, but network latency increases
Solution Approach 1:
The patent uses preliminary action by pre-storing message backup copies before transmission completion. When message loss is detected, the backup system can immediately replay the stored copy without requiring time-consuming retransmission sequences. This advance preparation minimizes the time penalty for recovery while maintaining high reliability.
Data Source
AI summary
An improved digital data network of includes a plurality of routing nodes that are coupled for communications to form a routing network. The improvement comprises a message backup system that is coupled for communications with each of the plural routing nodes to store backup copies of digital messages and/or the digital data packets that make them up that are routed between those nodes.