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An Architecture for Resource Management in IMS Wireless Access Networks

An Architecture for Resource Management in IMS Wireless Access Networks,10.1109/ICCW.2008.90,John W. Floroiu,Marius Corici,Stefan Arbanowski

An Architecture for Resource Management in IMS Wireless Access Networks  
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The present paper describes a mechanism that enables multi-homed mobile terminals to load balance the data traffic from different applications or the media streams that belong to a multimedia session between multiple access networks. The mechanism is based on the idea of extending the UMTS-WLAN interworking architecture specified by 3GPP to enable the routing of the data traffic through multiple IPsec tunnels that span multiple IP-based access networks. The approach provides for a straightforward integration of the routing function with the IMS policing framework, whose network resource management policies may be mapped into a set of IPsec rules. The proposed mechanism enables a continuous adaptation of the data traffic routing to the momentary availability of the network resources.
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