Virtual Communication Channels for Multi-Node Packet Isolation
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Solution Overview
Problem
The complexity of communication configuration and management transactions in multi-node systems, particularly in vehicles with diverse sensors and processing modules, leads to increased costs and reduced efficiency, affecting user experience.
Innovation Solution
A communication system with a connection module and processing module that includes communication units, allowing for virtualization and isolation of packets through unique identifiers, eliminating the need for complex node differentiation and IP address allocation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If different addresses and models are configured for different nodes to avoid communication conflicts, then communication reliability is improved, but device complexity and configuration costs increase
Solution Approach 1:
The communication unit is segmented into multiple virtual channels, each capable of independently processing packets with different identifiers. This allows packets from different nodes to be differentiated and routed through specific virtual channels without requiring complex node-level configuration, thereby maintaining communication reliability while reducing configuration complexity.
Solution Approach 2:
A connection module acts as an intermediary between nodes and the communication unit. This intermediary automatically manages packet identification and routing based on packet identifiers rather than requiring pre-configured node addresses and models, simplifying the communication setup while ensuring reliable packet delivery.
2Reliability
If complex communication configuration and management transactions are performed before communication, then communication reliability is improved, but productivity and efficiency decrease
Solution Approach 1:
The communication unit is pre-configured with multiple virtual channels that can immediately process packets upon arrival. Packet identifiers are pre-defined for different node types, allowing the system to handle communication establishment efficiently without requiring complex real-time configuration transactions, thus improving productivity while maintaining reliability.
Solution Approach 2:
The system enables self-service communication where the connection module automatically performs packet identification, routing, and forwarding based on pre-defined identifier rules. This eliminates the need for manual configuration transactions before communication, significantly improving communication establishment efficiency while ensuring reliable packet delivery through automated management.
3Device complexity
If virtualization processing and isolation are performed on different nodes using communication units, then device complexity is reduced, but loss of information may increase due to packet differentiation requirements
Solution Approach 1:
Different virtual channels within the communication unit are assigned specific characteristics and identifier matching rules tailored to different node types. This local quality differentiation ensures that packets from different nodes are processed with appropriate identification criteria, maintaining packet identification accuracy while simplifying overall node configuration through standardized virtual channel processing.
Data Source
AI summary
A communication system includes a connection module, a processing module, and K nodes. The connection module is configured to connect the processing module and the K nodes. The processing module includes L communication units, where each of the L communication units corresponds to one node, the L communication units include a first communication unit, and the K nodes include a first node. The first communication unit is configured to process a packet of the first node that corresponds to the first communication unit.