Introduction to OVSDB, Part 2

OVS Orbit

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This episode, recorded in April 2018, was the third in a series of internal VMware tech talks about Open vSwitch. This episode is particularly about OVSDB, the Open vSwitch Database, and particularly about OVSDB from the viewpoint of the client. It talks about the C client library, including how it represents data, the usual way to work with it, and how it interacts with the OVSDB server. It also covers how the C client library supports preparing transactions to send to the server.

Part of the talk dissects and explains an OVSDB JSON-RPC transaction created by ovs-vsctl. You can see a similar transaction by running make sandbox in an OVS tree, then ovs-vsctl -vjsonrpc add-br br0 inside the sandbox. Look for the transact operation, Or look at this example, which has been put through a JSON pretty-printer for legibility.

The talk concludes with several minutes of questions. One of the questions discusses the C IDL's rendering of the AutoAttach table. You can find this at the top of the file here.

Part 1, in episode 55, covered OVSDB from the server and network protocol point of view.

OVS Orbit is produced by Ben Pfaff. The intro music in this episode is Drive, featuring cdk and DarrylJ, copyright 2013, 2016 by Alex. The bumper music is Yeah Ant featuring Wired Ant and Javolenus, copyright 2013 by Speck. The outro music is Space Bazooka featuring Doxen Zsigmond, copyright 2013 by Kirkoid. All content is licensed under a Creative Commons Attribution 3.0 Unported (CC BY 3.0) license.

75 episodes

#Tech #Computer Science #Ben Pfaff