1. Is SDN Delivering? Jez Clark Solutions Architect Alternative Networks 13 th September 2013

4. OS ProtocolProcess Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface

5. Protocol Process Protocol SDN Controller APPS Forwarding Table I/O Interface Forwarding Table I/O Interface SDN Aware OS Forwarding Table I/O Interface Forwarding Table I/O Interface SDN Aware OS Forwarding Table I/O Interface Forwarding Table I/O Interface SDN Aware OS Forwarding Table I/O Interface Forwarding Table I/O Interface SDN Aware OS OS Northbound API SOUthbound API – OF, VXLAN, XMPP, BGP, I2RS Hardware Abstraction Layer

6. OS Protocol Process Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface OS Protocol Process Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface OS Protocol Process Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface OS Protocol Process Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface OS Protocol Process Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface OS Protocol Process Protocol Hardware Abstraction Layer Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface Forwarding Table I/O Interface CONTROL API managementConfigurationMonitor