Single RX queue kernel bypass in Netmap for high packet rate networking2015-10-09 In a previous post we discussed the performance limitations of the Linux kernel network stack. We detailed the available kernel bypass techniques allowing user space programs to receive packets with high throughput. Unfortunately, none of the discussed open source solutions supported our needs. To improve the situati
January 17, 2012 Volume 10, issue 1 PDF Revisiting Network I/O APIs: The netmap Framework It is possible to achieve huge performance improvements in the way packet processing is done on modern operating systems. Luigi Rizzo, Università di Pisa Today 10-gigabit interfaces are used more and more in datacenters and servers. On these links, packets flow as fast as one every 67.2 nanoseconds, yet moder
Luigi Rizzo, Università di Pisa, Italy Awarded Best Paper! Many applications (routers, traffic monitors, firewalls, etc.) need to send and receive packets at line rate even on very fast links. In this paper we present netmap, a novel framework that enables commodity operating systems to handle the millions of packets per seconds traversing 1..10 Gbit/s links, without requiring custom hardware or c
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