can see that BGP is a good protocol of choice to segment your network at a logical location and start your migration process. What if you have a more complicated BGP setup, such as MP-BGP, MPLS, or VxLAN? Would Ryu or other OpenFlow-based BGP speaker be able to provide enough base code so you do not need to re-write lots of code?
We mentioned that Ryu BGP is one of OpenStack's Neutron networking BGP plugins. . At the time of writing in Spring of 2017, you can see the BGP speaker comparison of the Neutron project. The Ryu BGP speaker supports MP-BGP, IPv4 and IPv6 peering and VPN.
The proceeding picture demonstrated the BGP speaker and dynamic routing comparison. Neutron project uses JSON RPC over WebSocket to communicate with Ryu BGP speaker. Let us take a look at example. In our setup, let us place the speaker at the spine...