An evaluation of QoS provisioning for UBR applications in a DiffServ Network

Kielthy, Jesse and Kulatunga, Chamil and Frisby, Richard and Ó Foghlú, Mícheál (2003) An evaluation of QoS provisioning for UBR applications in a DiffServ Network. In: Proceedings of IT&T 2003. UNSPECIFIED.

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Abstract

In this paper an understanding of the configuration and performance of a Differentiated Services (DS) network is presented. Strong emphasis is placed on the configuration of the quality of service (QoS) dynamics of expedited forwarding (EF) and assured forwarding (AF) per-hop behaviour (PHB) class types that are required to allow an Unspecified Bit Rate (UBR) application to function effectively - in particular, the configuration of the AF features that mark non-conformant packets with a lower drop priority DS Code Point (DSCP). The usability of these mechanisms is then evaluated in a real, testing environment. DS edge and core routers are configured in a testbed that has been created to emulate a multiple-domain network. Data was then collated from a diverse range of testing procedures and then analysed to allow the authors to draw their conclusions that increased their understanding how a DS network operates.

Item Type:	Book Section
Additional Information:	NOT IN FILE Letterkenny, Ireland.
Uncontrolled Keywords:	DiffServ
Departments or Groups:	Telecommunications Software and Systems Group
Divisions:	*NONE OF THESE*
Date Deposited:	24 Oct 2007 19:58
Last Modified:	24 Jun 2021 11:33
URI:	http://repository-testing.wit.ie/id/eprint/609

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