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:
Apr. 10, 2018

Filed:

Aug. 07, 2015
Applicant:

International Business Machines Corporation, Armonk, NY (US);

Inventors:

Mohan Dhawan, New Delhi, IN;

Kshiteej Sharad Mahajan, Aurangabad, IN;

Vijay Mann, Bangalore, IN;

Rishabh Poddar, New Delhi, IN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 15/167 (2006.01); H04L 29/08 (2006.01); H04L 12/24 (2006.01); H04L 12/701 (2013.01);
U.S. Cl.
CPC ...
H04L 67/2852 (2013.01); H04L 41/0631 (2013.01); H04L 41/0695 (2013.01); H04L 45/00 (2013.01); H04L 67/1095 (2013.01);
Abstract

Methods and arrangements for verifying controller actions in a clustered software defined network. A contemplated method includes: intercepting at least one message at the primary controller; wherein the at least one intercepted message comprises a message that induces one or more changes in the network; intercepting at least one cache update in the network; replicating the at least one intercepted message and the at least one cache update; directing the at least one replicated message and the at least one replicated cache update to a verification subsystem; and verifying the at least one replicated message and the at least one replicated cache update in the verification subsystem. Other variants and embodiments are broadly contemplated herein.


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