OpenFlow 1.1 release notes

From OpenFlow Wiki

Overview

This document contains the release notes for the 1.1 release of OpenFlow. The release includes an updated version of the OpenFlow Switch Specification only. For a more in-depth discussion of the changes in this release, please see the OpenFlow 1.1 wiki page.

Contributors to this release include (in alphabetical order) Ben Pfaff, Bob Lantz, Brandon Heller, Casey Barker, Dan Cohn, Dan Talayco, David Erickson, Edward Crabbe, Glen Gibb, Guido Appenzeller, Jean Tourrilhes, Justin Pettit, KK Yap, Martin Casado, Masahiko Takahashi, Masayoshi Kobayashi, Nick McKeown, Peter Balland, Rajiv Ramanathan, Reid Price, Rob Sherwood, Saurav Das, Tatsuya Yabe, Yiannis Yiakoumis, Zoltan Lajos Kis, as well as many other members of the OpenFlow community that provided valuable suggestions, feedback and testing.

Status

• Current version: 1.1.0
• Release date: 2/28/11

New Features

Multipath

OpenFlow now supports the notion of "multipath" where a flow can be sent over one of several paths.

Tags/tunnels

Tag support has been extended to include MPLS shim headers. VLAN tag handling has been modified to support packets with multiple VLAN tags (Q-in-Q encapsulation).

Support has been added for tunnels via virtual ports.

Multiple tables

An OpenFlow switch can now expose multiple tables to a controller.

Other changes

Please refer to the OpenFlow 1.1 wiki page for details of other changes since 1.0.