Backplane Controller for Parallel Traffic Routing and Security
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Solution Overview
Problem
Existing inter-network connection systems face bottlenecks in processing traffic capacity and security vulnerabilities, particularly in parallel processing and cross-traffic scenarios.
Innovation Solution
An inter-network connection system comprising an interface board with port group information setter, session information storage, lower layer processor, and process determiner, along with an upper layer processing board and inter-board connection board, which sets routes and determines traffic processing layers to enhance parallel processing capacity and security.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If point-to-point connections are provided on the backplane for direct communication between circuit packs, then communication speed is improved, but the traffic processing capacity becomes a bottleneck
Solution Approach 1:
The patent introduces a backplane controller as an intermediary component that manages and coordinates traffic flow between circuit packs. The controller receives traffic from transmitting circuit packs, processes routing information, and directs traffic to appropriate receiving circuit packs, thereby eliminating the bottleneck of direct point-to-point connections while maintaining communication speed
Solution Approach 2:
The patent changes the traffic handling parameter from direct peer-to-peer transmission to controller-mediated transmission. The backplane controller implements intelligent routing decisions based on destination information, allowing multiple circuit packs to share the backplane bandwidth efficiently through time-division or space-division multiplexing, thus increasing overall traffic processing capacity
2Productivity
If traffic streams cross in a common interfacing section to enable parallel processing, then productivity is improved, but security vulnerability increases
Solution Approach 1:
The backplane controller serves as a security intermediary that inspects and validates traffic before allowing it to cross between circuit packs. The controller verifies source and destination addresses, enforces access control policies, and filters malicious traffic, thereby enabling parallel processing while maintaining security
Solution Approach 2:
The patent implements preliminary security checks at the backplane controller before traffic is allowed to stream across the backplane. Routing information is validated and security policies are enforced in advance, preventing security vulnerabilities from materializing even when multiple traffic streams cross in parallel
Data Source
AI summary
An inter-network connection system is provided with a plurality of interface boards capable of processing traffic in a lower layer, an upper layer processing board capable of processing traffic in an upper layer, and an inter-board connection board capable of intervening in information transfer between the interface board and the upper layer processing board. The interface board has its input/output ports paired as port groups. When traffic is input through one input/output port of a port group, the traffic is output through the other input/output port of this port group. Only when the traffic is to be processed in the upper layer, the traffic is transferred from the interface board to the upper layer processing board. The inter-network connection system allows the amount of traffic processed in parallel to be increased with a high security configuration.