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JNSM
2007

High-Speed Dynamic Packet Filtering

9 years 10 months ago
High-Speed Dynamic Packet Filtering
One problem encountered while monitoring gigabit networks, is the need to filter only those packets that are interesting for a given task while ignoring the others. Popular packet filtering technologies enable users to specify complex filters but do not usually allow multiple filters to be specified. This paper describes the design and implementation of a new dynamic packet filtering solution that allows users to specify several IP filters simultaneously with almost no packet loss even on high-loaded gigabit links. The advantage is that modern traffic monitoring applications such as P2P, IPTV, VoIP monitoring, and lawful interception can dynamically set packet filters to efficiently discard packets into the operating system kernel according to traffic, calls and users being monitored. Keywords Passive packet capture, packet filtering, traffic monitoring, Linux kernel.
Luca Deri
Added 15 Dec 2010
Updated 15 Dec 2010
Type Journal
Year 2007
Where JNSM
Authors Luca Deri
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