Centralized Control Device for Router Signaling Load Reduction
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Solution Overview
Problem
In router networks, the high cost and increased signaling processing load due to the star connection between routers lead to inefficiencies in data packet transfer, as the number of adjacent routers grows, increasing the signaling processing amount proportionally.
Innovation Solution
A network configuration with a centralized control device that manages signaling protocols and determines data paths, reducing the signaling processing load on each router by acting as a unique adjacent router for signaling purposes, while the routers focus on data transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If routers are connected in a star shape via data paths, then data transfer capability is improved, but signaling processing load increases proportionally with the number of adjacent routers
Solution Approach 1:
A centralized control device is introduced as an intermediary between routers. The centralized control device receives signaling information from routers, determines data paths, and distributes path information back to routers. This mediator approach allows routers to maintain star-shaped connectivity for data transfer while offloading signaling processing to the centralized controller, thus resolving the contradiction between data transfer capability and signaling processing load.
2Adaptability or versatility
If the number of adjacent routers increases, then network coverage and data transfer capacity are improved, but the signaling processing amount increases proportionally
Solution Approach 1:
The centralized control device acts as a mediator that consolidates signaling processing for the entire network. When new routers are added to expand network coverage, they only need to establish signaling connections with the centralized control device rather than with all other routers. This intermediary approach allows network coverage to expand without proportionally increasing signaling processing amounts on individual routers.
Solution Approach 2:
Signaling processing functions are merged from individual routers into a single centralized control device. By combining these distributed signaling functions into one centralized entity, the system can handle increased network coverage while maintaining constant signaling processing load per router, as all signaling operations are consolidated at the centralized controller.
3Adaptability or versatility
If routers perform both signaling protocol processing and data packet transfer, then system functionality is improved, but CPU performance becomes a limiting factor
Solution Approach 1:
System functions are segmented into two distinct parts: signaling protocol processing and data packet transfer. The centralized control device is assigned exclusively to signaling protocol processing, while routers focus on data packet transfer. This segmentation allows each component to specialize in its designated function, improving overall system functionality without overloading router CPUs with both signaling and data processing tasks.
Solution Approach 2:
The centralized control device serves as an intermediary that handles all signaling protocol processing, freeing routers from this burden. Routers can then dedicate their CPU resources entirely to data packet transfer operations, while the centralized intermediary manages routing decisions and path determination. This separation resolves the contradiction by allowing full system functionality through the intermediary without CPU performance limitations on routers.
Data Source
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AI summary
A network system includes a signaling network configured to perform signaling information exchange with client nodes, determine a data information transfer route, and generate setting information, and a data network configured to construct the data information transfer route according to the setting information from the signaling network and perform data exchange between the client nodes.