There has been a flurry of press around Cisco’s release of OpFlex. If you want the nitty gritty details, please read the IETF draft available here. What exactly is OpFlex? The IETF draft sums it up nicely: The OpFlex architecture provides a distributed control system based on a declarative policy information model. The policies are defined at a logically centralized policy repository (PR) and enforced within a set of distributed policy elements (PE).