- Software-Defined Networking with OpenFlow(Second Edition)
- Oswald Coker Siamak Azodolmolky
- 88字
- 2021-07-02 15:50:04
Setting asynchronous configuration
Every OpenFlow channel conveys messages from the switch to various controllers present in the network. The controller manages its asynchronous configuration with the use of the OFPT_SET_ASYNC and OFPT_GET_ASYNC_REQUEST messages. The OFPT_SET_ASYNC message is used by the controller to determine whether it should receive any asynchronous message from the switch, while OFPT_GET_ASYNC_REQUEST is sent from the controller to the switch's reply message, OFPT_GET_ASYNC_REPLY, with the properties of the asynchronous configuration properties being sent to the controller in order to determine what is enabled.
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