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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.

Patent No.:

US 11876679 B1

PDFFull Text
Date of Patent:
Jan. 16, 2024

Filed:

Dec. 11, 2021

Method and apparatus for interacting with a network information base in a distributed network control system with multiple controller instances

Applicant:

Nicira, Inc., Palo Alto, CA (US);

Inventors:

Teemu Koponen, San Francisco, CA (US);

Martin Casado, Portola Valley, CA (US);

Jeremy Stribling, San Francisco, CA (US);

Natasha Gude, Palo Alto, CA (US);

Assignee:

Nicira, Inc., Palo Alto, CA (US);

Attorney:

Quarles & Brady LLP

Primary Examiner:

Hong Shao

Int. Cl.
CPC ...
H04L 41/0893 (2022.01); H04L 49/1546 (2022.01); H04L 45/586 (2022.01); H04L 49/00 (2022.01); G06F 15/173 (2006.01); H04L 12/46 (2006.01); H04L 47/783 (2022.01); H04L 45/00 (2022.01); H04L 41/0896 (2022.01); H04L 61/5007 (2022.01); H04L 41/0816 (2022.01); H04L 41/0853 (2022.01); H04L 101/622 (2022.01); H04L 45/02 (2022.01); G06F 11/07 (2006.01);
U.S. Cl.
CPC ...
H04L 41/0893 (2013.01); G06F 15/17312 (2013.01); H04L 12/4633 (2013.01); H04L 41/0816 (2013.01); H04L 41/0853 (2013.01); H04L 41/0896 (2013.01); H04L 45/00 (2013.01); H04L 45/02 (2013.01); H04L 45/586 (2013.01); H04L 47/783 (2013.01); H04L 49/00 (2013.01); H04L 49/1546 (2013.01); H04L 49/3063 (2013.01); H04L 49/70 (2013.01); H04L 61/5007 (2022.05); G06F 11/07 (2013.01); H04L 2101/622 (2022.05);
Abstract

A control system including several controllers for managing several switching elements. A first controller registers a second controller for receiving a notification when a data tuple changes in a network information base (NIB) storage of the first controller that stores data for managing a set of switching elements. The first controller changes the data tuple in the NIB. The first controller sends the notification to the second controller of the change to the data tuple in the NIB. The first and second controllers operate on two different computing devices. Each controller receives logical control plane data for specifying logical datapath sets and converts the logical control plane data to physical control plane data for enabling the switching elements to implement the logical datapath sets.

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