Multi-Hop Wireless Network Intrusion Detection via Last Node Analysis
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Solution Overview
Problem
Existing methods for intrusion detection in wireless multi-hop networks are inefficient due to resource constraints and require redundant processing across multiple nodes, leading to high overhead and impractical solutions.
Innovation Solution
Implementing a system where only the last routing node proximate to the destination performs packet capture and analysis, reducing resource usage by ensuring each packet is processed once, and allowing operation in both promiscuous and non-promiscuous modes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If every node in the wireless multi-hop network performs packet capture and analysis, then intrusion detection coverage is improved, but resource consumption and processing overhead increase significantly
Solution Approach 1:
The patent applies local quality by assigning different functions to different nodes based on their location. Only the last routing node (gateway) performs packet capture and analysis, while intermediate nodes simply forward packets. This localized functional assignment reduces overall resource consumption while maintaining intrusion detection capability at the network boundary.
2Reliability
If every node performs packet capture and analysis, then security monitoring is improved, but processing overhead and network performance deteriorate
Solution Approach 1:
The patent extracts the packet capture and analysis function from all intermediate nodes and concentrates it solely at the last routing node. This extraction eliminates redundant processing at intermediate nodes, reducing processing overhead and improving overall network performance while maintaining security monitoring through centralized analysis at the gateway.
3Measurement precision
If multiple nodes perform redundant packet processing, then detection thoroughness is improved, but efficiency and scalability worsen
Solution Approach 1:
The patent merges the packet capture and analysis functions that were distributed across multiple nodes into a single centralized function at the last routing node. This consolidation eliminates redundant processing of the same packets at intermediate nodes, improving processing efficiency and scalability while maintaining detection thoroughness through centralized security analysis.
Data Source
AI summary
A multi-hop wireless network system is disclosed that includes a plurality of routing nodes configured to route packets transmitted from a source node to a destination node. In the preferred embodiments, the plurality of routing nodes are configured to perform capture and analysis by only a last routing node before the destination node. Among other things, the system and method provides a efficient method for performing intrusion detection or other processing in a multi-hop wireless network.