Facilitating storage and querying of payload attribution...

Details Facilitating storage and querying of payload attribution... Facilitating storage and querying of payload attribution...

2011-04-26

2011-04-26

Ryman, Daniel J (Department: 2466)

Multiplex communications

Diagnostic testing

C713S154000, C726S024000

Reexamination Certificate

active

07933208

ABSTRACT:
A hierarchical data structure of digested payload information (e.g., information within a payload, or information spanning two or more payloads) allows a payload excerpt to be attributed to earlier network flow information. These compact data structures permit data storage reduction, while permitting efficient query processing with a low level of false positives. One example of such a compact data structure is a hierarchical Bloom filter. Different layers of the hierarchy may correspond to different block sizes.

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Wang, Qiang, Fast Signature Scan, U.S. Appl. No. 60/518,032, filed Nov. 7, 2003.

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