Lorenzo Bianconi

Senior Software Engineer

Articles by


Receive Side Scaling (RSS) with eBPF and CPUMAP

Modern device drivers on servers need to exploit available CPUs to keep up with network traffic. Learn how using XDP and CPUMAP redirect boosts performance.


Open Virtual Network unidling

We look at the OVN unidling issue and how the Controller_Event table can be used to forward events to a CMS, such as OpenStack Platform or OpenShift.


IP packet buffering in OVN

This article explores how Open Virtual Network (OVN), a subproject of Open vSwitch (OVS), ARP/ND_NS actions work, the main drawbacks to the current implementation, and how to overcome these limitations by adding IP packet buffering.