Traffic analysis on high-speed networks

Details Traffic analysis on high-speed networks Traffic analysis on high-speed networks

2006-05-12

2010-06-01

Ngo, Ricky (Department: 2464)

Multiplex communications

Diagnostic testing

Determination of communication parameters

C370S241000, C370S248000, C709S224000

Reexamination Certificate

active

07729279

ABSTRACT:
The present invention provides a traffic analyzing system on a communications link having analyzer circuits connected to each other by a number of links, where each analyzer circuit has a data rate lower than the data rate of the communications link, and are adapted to perform respective different levels of analysis on packets. The information extracted from the packets analyzed at a first level of analysis by a first analyzer circuit is forwarded to a second level of analysis performed at a second analyzer circuit, where the additional analysis performed by the second analyzer circuit depends on the analysis performed by the first analyzer circuit. Such a system and associated method allows for an efficient, practical, and improved traffic flow analyses for computer networks to evaluate high-speed and heavy traffic flow, as well as for improved protocol analysis for emerging technologies.

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Chen et al. “A Two-Stage Packet Classification Algorithm”,Proceedings of the 17thInt'l Conference on Advanced Information Networking and Applications, 2003, pp. 762-767, XP-002333339.

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