Architecting a private cloud to meet the use cases of its users can be a daunting task. How do you determine which of the many L2/L3 Neutron plugins and drivers to implement? Does network performance outweigh reliability? Are overlay networks just as performant as VLAN networks? The answers to these questions will drive the appropriate technology choice.
In this presentation, we will look at many of the common drivers built around the ML2 framework, including LinuxBridge, OVS, OVS+DPDK, SR-IOV, and more, and will provide performance data to help drive decisions around selecting a technology that's right for the situation. We will discuss our experience with some of these technologies, and the pros and cons of one technology over another in a production environment.
As more and more workloads move to the cloud, network performance and reliability is at the forefront of every conversation. The standard offering of LinuxBridge or Open vSwitch meet the needs of a good number of operators, but there are other less-common options that may provide a boost in performance and reliabilty for certain workloads - but at what cost? We hope to reveal performance data that will help operators make more educated decisions when it comes to choosing a Neutron ML2 driver and respective routing capabilities, as well as provide known pros/cons for certain technologies before operators find out the hard way.
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