JSM 2004 - Toronto

Abstract #301517

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Activity Number: 115
Type: Contributed
Date/Time: Monday, August 9, 2004 : 10:30 AM to 12:20 PM
Sponsor: Section on Physical and Engineering Sciences
Abstract - #301517
Title: Estimation of Network Link Characteristics Based on Time Series Data
Author(s): Earl Lawrence*+ and George Michailidis and Vijayan N. Nair
Companies: University of Michigan and University of Michigan and University of Michigan
Address: , , ,
Keywords: internet ; network ; link loss ; link delay ; time series
Abstract:

As the internet grows in both size and importance, accurate methods of measuring its performance are increasingly important for both planning and monitoring purposes. There are several techniques for measuring network link performance characteristics such as delay and loss, but all of them ignore the traffic's time-based correlation--consecutive packets along the same link are likely to experience similar delays and losses. Ignoring this information can lead to biased estimates and remove vital information that would be useful in real-time monitoring. We discuss the estimation of network link characteristics taking into account the time series nature of the data. The focus will be on efficient inference methods from end-to-end measurements (i.e., the traffic will cross several links).

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