The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 01, 2017

Filed:

Mar. 15, 2013
Applicant:

A10 Networks, Inc., San Jose, CA (US);

Inventor:

Dennis Isao Oshiba, Fremont, CA (US);

Assignee:

A10 NETWORKS, INC., San Jose, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 12/725 (2013.01); H04L 12/813 (2013.01); H04L 12/851 (2013.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 45/30 (2013.01); H04L 43/028 (2013.01); H04L 47/20 (2013.01); H04L 47/2408 (2013.01); H04L 47/2441 (2013.01);
Abstract

Expertise, for performing classification of a type of network traffic, can be encapsulated in a module. A set of modules, as currently available to a traffic controller, can be referred to as a collection. Programming language constructs are introduced that facilitate the writing of modules customized to identify network traffic that is peculiar to a particular user, or to a relatively small group of users. An example programming language, based on Tcl, is introduced. A key aspect is event-driven programming, and the 'when' command construct is introduced. Three important event types, that can trigger a 'when' command, are CLIENT_DATA, SERVER_DATA, and RULE_INIT. Another key aspect is an ability to keep state information between events. Constructs for intra-session, intra-module, and global state are introduced. A module can be blocked from executing more than once for a session. Successful execution of a module can be specified by a “match” statement.


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