Patent ID: 11876679
Assignee: NICIRA, INC.
Field: Digital communication (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. For a control system comprising a plurality of controllers for managing a plurality of switching elements, a non-transitory machine readable medium storing a program for managing a set of switching elements, the program comprising sets of instructions for:
at a first controller:
registering 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, wherein the first and second controllers each comprises a secondary storage;
changing the data tuple in the NIB;
sending the notification to the secondary storage of the second controller of the change to the data tuple in the NIB;
receiving, from the second controller's secondary storage, instructions to record the change in the data tuple; and
recording the change in the data tuple in the secondary storage of the first controller.