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:
Jul. 25, 2006

Filed:

Nov. 30, 2001
Applicants:

Shigang Chen, Santa Clara, CA (US);

Partha Bhattacharya, Cupertino, CA (US);

Liman Wei, Santa Clara, CA (US);

Inventors:

Shigang Chen, Santa Clara, CA (US);

Partha Bhattacharya, Cupertino, CA (US);

Liman Wei, Santa Clara, CA (US);

Assignee:

Cisco Technology, inc., San Jose, CA (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 9/00 (2006.01); H04L 12/28 (2006.01); G06F 15/173 (2006.01);
U.S. Cl.
CPC ...
Abstract

Enforcement firewalls and other security devices are located on a network for a given source node and destination node. Nodes in the network topology are programmatically identified as being part of a non-looping communication path between the source node and the destination node. These nodes may be part of a path closure set. Security devices that are part of the path closure set are identified as the enforcement security devices for the given source and destination node.


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