The ugly^WBeatiful 32 bit classifier is the mother of all classifiers in the linux kernel. It is the only native classifier that can be taught by a user policy "how to" classify based on user traffic heuristics. U32 is a low level classifier operating on packet-offset-length-value. Sometimes this could be confusing for the faint-hearted.
In this talk, Jamal et al are going to dig into u32 and show basic principles, expose flexibility for customization. They will then illustrate customization use cases for a small(hundreds of rules) and a medium sized (10s of thousands of rules) LAN access control and provide performance numbers.
More info: https://www.netdevconf.org/0x13/news.html?talk-tc-u-classifier
A reminder to all: Early bird registration is still open until Feb 20th. https://netdevconf.org/0x13/registration.html
cheers, jamal