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:
May. 15, 2018

Filed:

Dec. 30, 2016
Applicant:

Symantec Corporation, Mountain View, CA (US);

Inventors:

Qing Li, Cupertino, CA (US);

Preety Mordani, Sunnyvale, CA (US);

Yusheng Huang, San Jose, CA (US);

Howard Chen, Milpitas, CA (US);

Assignee:

SYMANTEC CORPORATION, Mountain View, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 1/00 (2006.01); H04L 12/24 (2006.01); H04L 29/08 (2006.01); H04L 29/12 (2006.01); H04L 12/26 (2006.01);
U.S. Cl.
CPC ...
H04L 41/0893 (2013.01); H04L 43/12 (2013.01); H04L 61/2514 (2013.01); H04L 67/1002 (2013.01);
Abstract

A peering relationship among two or more network appliances is established through an exchange of control messages among the network appliances. The peering relationship defines a cluster of peered network appliances, and at each network appliance of the cluster traffic flow state information for all the network appliances of the cluster is maintained. Network traffic associated with traffic flows of the network appliances of the cluster is managed according to the state information for the traffic flows. This managing of the network traffic may include forwarding among the network appliances of the cluster (i.e., to those of the appliances handling the respective flows) at least some of the network traffic associated with one or more of the traffic flows according to the state information for the one or more traffic flows. The traffic flows may be TCP connections or UDP flows.


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