The document discusses Software Defined Networking (SDN) using OpenNebula, authored by Roy Keene from Knight Point Systems. It explains the purpose and functionality of SDN, emphasizing the use of APIs for networking and the advantages of providing shared virtual networks across multiple datacenters. The document outlines a process involving reading, compiling, evaluating, and applying configuration changes for network management.

1. Software Defined Networking with
OpenNebula
ROY KEENE

2. Bridging the Gap
What is this about ?
Why do this ?
How does it work ?
SDN with ONE, Roy Keene, Knight Point Systems

3. What is this About ?
Software Defined Networking for L2
Which is really just about having an API for networking...
... which OpenNebula already has...
... for OpenNebula administrators.
Also, hiding the fact that distant networks are distant
SDN with ONE, Roy Keene, Knight Point Systems

4. Why do this ?
Legacy and Migration
Odd networking requirements
Providing a shared virtual network across multiple datacenters
SDN with ONE, Roy Keene, Knight Point Systems

5. How does it Work ?
API is provided by OpenNebula already
RCEAL (Read, Compile, Evaluate, Apply, Loop)
Read keys from the VM user template (or service
template)
Compile them into a configuration
Evaluate that configuration with respect to the current
configuration
Apply the changes
Loop (with some delay)
SDN with ONE, Roy Keene, Knight Point Systems