Monitoring Systems White Papers
Improving the Performance of Passive Network Monitoring Applications Using Locality Buffering
Overview This paper presents a novel approach for improving the performance of a large class of CPU and memory intensive passive network monitoring applications, such as intrusion detection systems, traffic characterization applications, and NetFlow export probes. The approach, called locality buffering, reorders the captured packets by clustering packets with the same destination port, before they are delivered to the monitoring application, resulting to improved code and data locality, and consequently to an overall increase in the packet processing throughput and to a decrease in the packet loss rate. The paper has implemented locality buffering within the widely used libpcap packet capturing library, which allows existing monitoring applications to transparently benefit from the reordered packet stream without the need to change application code.
| Publisher | Foundation for Research and Technology - FORTH | File Format | |
|---|---|---|---|
| Date Published | August 2007 | Downloads | 1 |
| Format | White Papers | ||
| Topics | |||
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