[$] New approaches to network fast paths

With the speed of network hardware now reaching 100 Gbpsand distributed denial-of-service (DDoS) attacks going in theTbpsrange, Linux kernel developers are scrambling tooptimize key network paths in the kernel to keep up. Many efforts areactually gearedtoward getting traffic out of the costly Linux TCP stack. We havealready covered the XDP (eXpressData Path) patch set, but two new ideas surfaced during theNetconf and Netdev conferences held in Toronto and Montreal in earlyApril 2017.