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How does regexp router works? 


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A regexp router works by utilizing regular expression processing to extract specific information from traffic streams, enhancing services and network operations. These routers can automatically learn to extract router names from hostnames stored in DNS zones using supervised learning approaches, improving alias resolution techniques for routers. Additionally, a novel regex matching method based on Network-on-Chip architecture accelerates regex matching by partitioning the regex and utilizing hardware engines communicating through routers on a NoC topology. Furthermore, a general test method for routers involves establishing connections, monitoring UDP data, and processing requests to ensure efficient router functionality. Finally, routers can increase cache hit probability by searching caches using different masks or employing longest prefix match techniques.

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Papers (5)Insight
Open accessProceedings ArticleDOI
21 Oct 2019
9 Citations
Regex router works by automatically learning regexes to extract router names from hostnames in DNS zones, accurately identifying interfaces on the same router based on unique values.
The regexp router inspects packet payloads and headers, extracts data using high-throughput regular expression processing, and stores it in a database for service enrichment in the future Internet.
The regexp router in the proposed method partitions regex into simpler parts, each matched by an engine cell core communicating through routers on a NoC architecture, enhancing matching efficiency.
Not addressed in the paper.
Not addressed in the paper.

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