NDLI: Performance analysis of QoS mechanisms in IP networks

Content Provider	IEEE Xplore Digital Library
Author	Jia, D. Dutkiewicz, E. Chicharo, J.F.
Copyright Year	2000
Description	Author affiliation: Switch Network Res. Centre, Wollongong Univ., NSW, Australia (Jia, D.)
Abstract	Integrated services IP networks are expected to provide a variety of services with differentiated QoS. This requires the implementation of mechanisms that can discriminate service classes in terms of QoS. The IETF has recently proposed a differentiated services (Diffserv) framework for provision of QoS. In this paper we analyse the performance of two Diffserv mechanisms: threshold dropping and priority scheduling in terms of packet loss and mean packet delay. A comparison of the two mechanisms is carried out with the requirement that both mechanisms provide the same level of packet loss for the preferred flow. This comparison extends the results reported in the literature for these two mechanisms. In particular, in this paper we determine the impact of buffer threshold and buffer size on packet loss and mean packet delay in these mechanisms.
Starting Page	359
Ending Page	363
File Size	337859
Page Count	5
File Format	PDF
ISBN	0769507220
DOI	10.1109/ISCC.2000.860664
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2000-07-06
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis Intelligent networks IP networks Quality of service Diffserv networks Performance loss Delay Switches Web and internet services Intserv networks
Content Type	Text
Resource Type	Article

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