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Dynamic link measurements using active components

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Publication date1/12/2007
Host publicationActive Networks : IFIP International Working Conference
PublisherSpringer
Pages188-204
Number of pages17
ISBN (print)9783540714996
<mark>Original language</mark>English
Event6th Annual International Working Conference on Active Networks. IWAN 2004 - Lawrence, KS, United States
Duration: 27/10/200429/10/2004

Conference

Conference6th Annual International Working Conference on Active Networks. IWAN 2004
Country/TerritoryUnited States
CityLawrence, KS
Period27/10/0429/10/04

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume3912 LNCS
ISSN (Print)0302-9743
ISSN (electronic)1611-3349

Conference

Conference6th Annual International Working Conference on Active Networks. IWAN 2004
Country/TerritoryUnited States
CityLawrence, KS
Period27/10/0429/10/04

Abstract

Active and programmable network technologies strive to support completely new forms of data-path processing capabilities inside the network. This in conjunction with the ability to dynamically deploy such active services at strategic locations inside the network enables totally new types of applications. In this paper we exploit these network-side programming capabilities to realise a new active network application that dynamically evaluates network link costs based on in-line traffic measurements. The performance experienced by the data packets (e.g. delays, jitter and packet loss) along network or virtual links is used to compute link costs based on multiple cost metrics. The results are published by means of a routing metric broker, which enables available routing protocols to calculate different sets of routes for different QoS metrics - as for example suggested for ToS-based routing (RFC 1583).