Scalable Network Monitoring in High Speed Networks (Google eBook)
Springer Science & Business Media, Jun 14, 2011 - Computer Communication Networks - 163 pages
Network monitoring serves as the basis for a wide scope of network, engineering and management operations. Precise network monitoring involves inspecting every packet traversing in a network. However, this is not feasible with future high-speed networks, due to significant overheads of processing, storing, and transferring measured data. Network Monitoring in High Speed Networks presents accurate measurement schemes from both traffic and performance perspectives, and introduces adaptive sampling techniques for various granularities of traffic measurement. The techniques allow monitoring systems to control the accuracy of estimations, and adapt sampling probability dynamically according to traffic conditions. The issues surrounding network delays for practical performance monitoring are discussed in the second part of this book. Case studies based on real operational network traces are provided throughout this book. Network Monitoring in High Speed Networks is designed as a secondary text or reference book for advanced-level students and researchers concentrating on computer science and electrical engineering. Professionals working within the networking industry will also find this book useful.
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Chapter 1 Overview
Part I Scalable Traffic Monitoring with Packet Sampling
Part II Scalable Delay Monitoring with Active Probing
99th percentile accuracy parameters active probing adaptive random sampling analysis backbone network bandwidth computed Data Set delay distributions delay measurement delay metrics duration ECMP egress point elephant flows error bound estimated traffic loads estimation error estimation interval Figure flow byte count flow f flow packet count flow volume high quantiles Internet kth block link utilization load change detection measurement points minimum delay NetFlow Network Monitoring network performance number of packets number of samples operational network oversampling packet sampling packet size distribution packet traces passive sampling path path transit peaks plot point-to-point delay point-to-point packet delay queueing delay random sampling technique relative error required number router routing sampling errors sampling fraction sampling probability sampling rate Section simple random sampling SNMP Springer Science+Business Media static random sampling static sampling stratified random sampling systematic sampling test packets total traffic traffic load estimation traffic measurement traffic parameters variable delay variance