Gilad Ben-Yossef
Talk
The Linux IP Virtual Server is a layer 4 stateful load balancer whose data path is implemented as a Linux networking stack kernel module. It has been upstream for over 10 years and has had a good user community including the likes of Wikipedia, Uber and Google but has lately been losing traction to independent re-implementation over user space network stacks.
This talk will describe Accelerated Linux IP Virtual Server – an extension to IPVS comprised of a port of the kernel data path to the NPS network processor over the open source OpenNPU[1] APIs which takes Linux virtual Server from 1 Gbps to 400 Gbps with hundreds of millions of concurrent flows and a flow set up rate of several millions.
The talk will provide some background on OpenNPU, explore ALVS itself and how it is built as well as touch upon the more general subject of how to better integrate an NPU as part of the Linux kernel networking stack moving forward.
[1]: http://opennpu.org .