From detection to remediation : A self-organized system for addressing flash crowd problems

Xie, Linlin and Smith, Paul and Hutchison, David and Banfield, Mark and Leopold, Helmut and Jabbar, Abdul and Sterbenz, James P.G. (2008) From detection to remediation : A self-organized system for addressing flash crowd problems. In: ICC 2008 - IEEE International Conference on Communications, Proceedings :. UNSPECIFIED, CHN, pp. 5809-5814. ISBN 9781424420742

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Abstract

A flash crowd event can be characterised by a dramatic increase in requests for a service over a relatively short period of time. Often, these events lead to a loss of service because of the saturation of the target server and associated network resources. This paper presents a set of mechanisms that can be used to make Web servers and associated resources more resilient to flash crowd events. Specifically, we present a novel admission control mechanism that uses a detection mechanism we developed in earlier work to adjust the admission rate of HTTP requests to a Web server. We demonstrate, via simulations, that the admission control mechanism can be used to protect a Web server from the effects of a flash crowd event, protect the traffic of other services that are hosted on the same network as a targeted Web server, and in combination with a push-back mechanism reduce the effect of flash crowd traffic on an ISP's network that is serving the Web server. The mechanisms presented here are exemplars that fit within a resilience strategy we are developing - D2R 2+DR - which is summarised here.

Item Type:
Contribution in Book/Report/Proceedings
Uncontrolled Keywords:
/dk/atira/pure/subjectarea/asjc/1700/1705
Subjects:
?? computer networks and communicationselectrical and electronic engineering ??
ID Code:
134212
Deposited By:
Deposited On:
22 Jun 2019 00:57
Refereed?:
Yes
Published?:
Published
Last Modified:
16 Jul 2024 04:31