A mechanism for QoS path selection in a WLAN-UMTS scenario: mobile agent approach

Authors:
Emanuel Puschita;Tudor Palade;Frank-Uwe Andersen
Affiliations:
Department of Communications, Technical University of Cluj, Napoca, Romania;Department of Communications, Technical University of Cluj, Napoca, Romania;Nokia Siemens Networks GmbH, Germany
Venue:
DNCOCO'08 Proceedings of the 7th conference on Data networks, communications, computers
Year:
2008

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Abstract

Wireless/wireline systems have entered a phase characterized by the integration of the existing platforms into heterogeneous multi-access network architectures. The differentiated requirements of applications over this multitude of access networks need a mechanism for resource negotiation and management. The aim of the paper is to present the possibility of an inter-domain end-to-end path selection based on a set of aggregate network parameters, imposed by the source application and managed by mobile agents. The parameter set could include one-way delay, jitter and throughput. The paper presents the best path selection to the destination in a hybrid access WLAN-UMTS scenario, based on mobile agent's one-way delay estimation.