(Invited Paper)

Network Performance Monitoring for Applications Using EXPAND

Björn Landfeldt, and Aruna Seneviratne

Dept. of Electrical Engineering and Telecommunications

The University of New South Wales, Sydney 2052 Australia

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Bob Melander, and Per Gunningberg

Information Technology, Dept. of Computer Systems

Uppsala University, P.O. Box 325, S-75105, Uppsala Sweden

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Manuscript received October 1, 1999,

Revised October 24, 1999

 

 


ABSTRACT

As computing becomes more interactive and networked applications need special system support, it has become increasingly important to manage network resources. An important part of the management lies within monitoring network behaviour. It is important for many networked applications to be able to estimate system performance in order to select appropriate encoding, adaptation, buffering schemes etc. This paper discusses monitoring within wired and wireless networks and the type of monitoring information needed to support different applications. Then we suggest a hybrid active/passive monitoring approach with a dynamic time window mechanism and interchangeable filters, to extract requested information. The paper also shows our initial experimental results and presents our conclusions.

 

 

Keywords: Network monitoring, wireless links, dynamic window generation, passive monitoring and active probing

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