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Exporting IP flows using IPFIX

Juvhaugen, Per
Master thesis
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URI
https://hdl.handle.net/10642/434
Date
2007
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  • TKD - Master i Anvendt data- og informasjonsteknologi (ACIT) [237]
Abstract
Todays computer networks are continuously expanding both in size and capacity

to accommodate the demands of the traffic they are designed to handle.

Depending on the needs of the network operator, different aspects of this traffic

needs to be measured and analyzed. Processing the full amount of data on

the network would be a daunting task, and to avoid this only certain statistics

describing the individual packets are collected. This data is then aggregated

into ”flows”, based on criteria from the network operator. IPFIX is a recent

IETF effort to standardize a protocol for exporting such flows to a central node

for analyzation. But to effectively utilize a system implementing this protocol,

one needs to know the impact of the protocol itself on the underlying network

and consequently the traffic that flows through it.

This document will explore the performance, capabilities and limitations

of the IPFIX protocol. A packet-capture system utilizing the IPFIX protocol

for flow export, will be set up in a controlled environment, and traffic will be

generated in a predictable manner. Measurements indicate IPFIX to be a fairly

flexible protocol for exporting various traffic characteristics, but that it also has

scalability issues when deployed in larger, high-capacity networks.
Description
Master i nettverks- og systemadministrasjon
Publisher
Høgskolen i Oslo. Avdeling for ingeniørutdanning
Universitetet i Oslo

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