Low overhead method to detect new connection rate for...

Details Low overhead method to detect new connection rate for... Low overhead method to detect new connection rate for...

2006-10-23

2009-10-13

Vu, Huy D. (Department: 2416)

Multiplex communications

Pathfinding or routing

Switching a message which includes an address header

C711S216000

Reexamination Certificate

active

07602789

ABSTRACT:
A system and method for detecting new connection rates for network traffic that employs a set of tables and a hash function. Information identifying a connection is hashed to a hash value using the hash function. Each hash value identifies a location in a first table and a second table. The hash values for the connections detected during a predetermined time period are stored in the first table. The hash values for the connections detected during the predetermined time period preceding the current time period are stored in the second table. As the hash values are stored in the first table, they are compared to the hash values stored in the second table to identify new connections. The new connections are accumulated. The second table is then cleared, and the hash values for the detected connections in the next time period are stored in the second table.

REFERENCES:
patent: 6389468 (2002-05-01), Muller et al.
patent: 6873600 (2005-03-01), Duffield et al.
patent: 2003/0135625 (2003-07-01), Fontes et al.

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