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. 09, 2019

Filed:

Apr. 29, 2016
Applicant:

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

Inventors:

Anuprem Chalvadi, Sunnyvale, CA (US);

Natasha Gude, San Francisco, CA (US);

Assignee:

NICIRA, INC., Palo Alto, CA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/16 (2006.01); H04L 29/06 (2006.01); H04L 12/823 (2013.01); H04L 12/741 (2013.01); H04L 12/851 (2013.01); G06F 9/455 (2018.01);
U.S. Cl.
CPC ...
H04L 63/0263 (2013.01); G06F 9/45558 (2013.01); H04L 45/745 (2013.01); H04L 47/24 (2013.01); H04L 47/32 (2013.01); H04L 63/0236 (2013.01); H04L 63/20 (2013.01); G06F 2009/45595 (2013.01);
Abstract

Some embodiments provide a method for a network controller that manages a flow-based managed forwarding element (MFE). The method receives multiple sets of service rules for implementation by the MFE. The sets of service rules have a priority order and the rules in each set of service rules have separate priority orders. The method organizes the service rules in all of the sets of service rules into a single ordered list of service rules. The method assigns priority values within a space-constrained set of priority values to the service rules in the list in a manner designed to minimize re-assignment when changes to the sets of service rules are received. The method uses the assigned priority values to generate flow entries for the MFE to use to implement the service rules.


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