Software-defined networking (SDN)

- [Instructor] There are many … software defined networking packages, … but I'm only going to mention a few. … First is OpenDaylight. … Of all the controllers that supported the OpenFlow system, … OpenDaylight emerged on top. … OpenFlow is a software protocol … that directly interfaces with the forwarding plane. … OpenDaylight is now officially managed … by the Linux Foundation … and is still actively being developed. … ODL has multiple protocols it can support … on the Southbound interface, … like multiple versions of OpenFlow, BGP-LS, and NETCONF. … At one time Cisco supported a commercial version of ODL … and branded it as Cisco Open SDN Controller. … This has been deprecated … in favor of their intent based networking products. … Cisco really developed three different products, … Software-Defined networking, SD-WAN, for the network edge, … Software-Defined Access, SDA for the LAN, … and Application Centric Infrastructure, … ACI for the data center. … ACI has a specific design aesthetic, …