Hello, I am currently investigating on the implementation of OF 1.4 bundles.
Per Spec, the implementation should be able to support at least port mod and flow mod in any order. However, its not clear about handling commands which will modify multiple matching flows. For example, a flow mod with delete on OFPTT_ALL will trigger a lot of churn in the openflow flow tables. To support rollback, we need to be backing up a considerable amount of data. When the switch has tables spread across SW and HW, keeping a staging area where the bundle messages are applied may not be straight forward. I am curious to know how the commit and rollback logic is handled and if these scenarios are thought of. Any pointers/suggestions will be of great help. Thanks, Chethan
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