Transfer Apparatus Segmented Control for Rerouting Latency
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Solution Overview
Problem
Current transfer systems face increased rerouting times and calculation loads due to the growth in the number of physical transfer apparatuses, leading to degraded network compatibility and prolonged disconnection times during failures, especially in autonomous decentralized systems, and excessive centralized load in centralized control systems.
Innovation Solution
A transfer apparatus and system that incorporates an external control unit for centralized control and an internal control unit for autonomous decentralized routing, utilizing multiple databases to manage and transfer routing information, allowing for efficient processing and storage of internal and external routing information independently, thereby reducing the impact of failures on rerouting times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If autonomous decentralized control is used for routing construction, then adaptability and network flexibility are improved, but rerouting time increases and calculation load increases during failures
Solution Approach 1:
The control function is segmented into two independent parts: autonomous decentralized control for internal routing construction and centralized control for routing management. This segmentation allows each part to operate independently, so that autonomous control maintains network flexibility while centralized control handles failures efficiently without increasing rerouting time.
Solution Approach 2:
The routing management unit acts as an intermediary between external servers and transfer apparatuses. It receives routing information from external servers, manages routing tables, and distributes routing information to transfer apparatuses. This intermediary structure enables centralized coordination of routing changes, reducing the impact of failures on overall rerouting time.
2Stability of the object's composition
If centralized control is used for routing management, then control consistency is improved, but calculation load on external servers increases excessively
Solution Approach 1:
The control function is segmented into autonomous decentralized control for routing construction and centralized control for routing management. This segmentation distributes the calculation load: autonomous control handles local routing decisions (reducing external server load) while centralized control maintains consistency through coordinated routing management.
3Productivity
If the number of physical transfer apparatuses increases, then transfer capacity is improved, but network compatibility decreases and disconnection time increases during failures
Solution Approach 1:
The control function is segmented into autonomous and centralized parts. Autonomous control allows each transfer apparatus to independently manage its routing, maintaining compatibility even as the number of apparatuses increases. Centralized control coordinates routing management across the network, ensuring consistent behavior during failures and reducing disconnection time.
Solution Approach 2:
The routing management unit serves as an intermediary that manages routing information for multiple transfer apparatuses. It receives routing information from external servers and distributes it to appropriate transfer apparatuses, maintaining network compatibility and reducing failure impact across the expanded network.
Data Source
AI summary
In a transfer apparatus 44, an internal routing layer L1 detects a destination address of internal routing information from an internal RIB DB 45t, transfers the internal routing information to a transfer apparatus of the detected destination address, and stores the internal routing information or external routing information transferred from another transfer apparatus via internal ports P1 and P2 in an FIB DB 46t. An external routing layer L2 stores external routing information transferred from an agent 65 in an external RIB DB 48t, stores the stored external routing information in the FIB DB 46t of the transfer apparatus to which the external routing layer L2 itself belongs, and transfers the external routing information to another transfer apparatus via the internal ports P1 and P2 such that the external routing information is stored in the FIB DB 46t.