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AI World Conference & Expo · Boston, MA · December 11-13, 2017

Posts Tagged ‘openflow 1.4’

This may be hard to believe, but OpenFlow is now about four years old, and late last year version 1.4 of OpenFlow was unveiled. This week, startup Pica8 became the first vendor to support 1.4, which may be the first OpenFlow version that’s ready for prime time. OpenFlow features a number of new features, improvements, and one change.

The new features are:

  • Bundles. The bundles feature of OpenFlow 1.4 enables a group of OpenFlow messages to be “bundled” as a single, which allows for better synchronization of changes across as series of switches. This is similar to a “commit” of multiple configuration changes in traditional layer 2/3 environments.
  • Optical ports. In 1.4, support for Optical ports has been added. OpenFlow can now be used to configure or monitor optical ports, which brings FiberChannel over Ethernet into, play in an SDN. This also allows for higher-speed transmission rates to be used in the SDN.
  • Synchronized tables. Flow tables can now be synchronized uni-directionally or bi-directionally. This has some implications on the way data flows are synchronized to transmissions of data. This effectively doubles the TCAM scalability of the switch.


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