Performance Characteristics of a Kernel-Space Packet Capture Module

Name: Performance Characteristics of a Kernel-Space Packet Capture Module
Brand: Biblioscholar
SKU: 9781249586913
Price: 6798 HUF
Availability: InStock

Szerző: Samuel W Birch

Nyelv:

Kötés: Puha kötésű

Kiadó: Biblioscholar

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This research attempts to improve the efficiency of capturing network packets to disk using commodit...

Információk a könyvről

Szerző

Samuel W Birch

Nyelv

Angol

Kötés

Könyv - Puha kötésű

Kiadva

2012

oldal

136

EAN

9781249586913

ISBN

9781249586913

Enbook ID

08141969

Kiadó

Biblioscholar

Súly

254

Méretek

189 x 246 x 7

Teljes leírás

This research attempts to improve the efficiency of capturing network packets to disk using commodity, general-purpose hardware and operating systems. It examines the bottlenecks between NIC and disk, implements a kernel-space capture capability to improve storage effciency, and analyzes the performance characteristics of this approach. Results show that a kernel-space NIC-to-Disk capture module is both possible and beneffcial. The proof of concept PKAP kernel-space packet capture module can capture packets to disk with a packet drop rate 8.9% less than the user-space equivalent, at a 95% confidence interval. During the high levels of disk I/O contention produced by queries for the captured data, the PKAP implementation shows a 3% reduction in CPU utilization, and overall the PKAP implementation reduces memory utilization of the capture process by 16%.

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