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. 02, 2017

Filed:

Mar. 25, 2013
Applicant:

Dell Products, Lp, Round Rock, TX (US);

Inventors:

Rajesh Narayanan, San Jose, CA (US);

Saikrishna M. Kotha, San Jose, CA (US);

Assignee:

Dell Products, LP, Round Rock, TX (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04L 12/26 (2006.01); H04L 12/721 (2013.01); H04L 12/933 (2013.01); H04L 12/947 (2013.01); H04L 12/931 (2013.01);
U.S. Cl.
CPC ...
H04L 45/38 (2013.01); H04L 49/109 (2013.01); H04L 49/25 (2013.01); H04L 49/70 (2013.01);
Abstract

A network switching device includes a macroflow sub-plane that performs packet-based routing in the network switching device and a microflow routing sub-plane that performs flow-based routing in the network switching device. The microflow routing sub-plane receives a first data packet, determines that the first data packet is associated with a first flow page, wherein the first flow page comprises a plurality of flow entries, determines that the first flow page is not resident in a routing table of the microflow routing sub-plane, and requests the first flow page from a software defined network (SDN) controller.


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