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:
Sep. 11, 2018

Filed:

Dec. 31, 2015
Applicant:

Fortinet, Inc., Sunnyvale, CA (US);

Inventors:

Son Pham, San Jose, CA (US);

Donald Krall, San Jose, CA (US);

Venkateswara Adusumilli, San Jose, CA (US);

Edward Lopez, South Riding, VA (US);

Neil Huynh, Fremont, CA (US);

Assignee:

Fortinet, Inc., Sunnyvale, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04L 12/851 (2013.01); H04L 12/947 (2013.01); H04L 12/24 (2006.01); H04L 12/46 (2006.01); H04L 12/715 (2013.01);
U.S. Cl.
CPC ...
H04L 49/25 (2013.01); H04L 12/4633 (2013.01); H04L 41/20 (2013.01); H04L 45/64 (2013.01);
Abstract

Systems and methods for an SDN switch that facilitates forwarding/differential routing decision determination are provided. A packet is received at an input port of the SDN switch. The switch includes a first and second set of flow processing units (FPUs). The packet is forwarded to a first FPU of the first set. Based on a flow table associated with the first FPU, it is determined whether the packet is to be forwarded to a network device or an output port. The packet is received from the network device at a second FPU of the second set. Based on a flow table associated with the second FPU, it is determined whether to execute one or more instructions to forward the packet to the input or output port, or to drop or default forward the packet to the input or output port.


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