Columbia UniversityHughesEriccsonIRT lab

An Integrated Resource Negotiation, Pricing and QoS Adaptation Framework for Multimedia Applications

The new value-added Internet services provide new business opportunities, but also present new challenges. The providers have to be able to add new services quickly and efficiently, and equip the network to meet the high quality and reliability expectations and diverse requirements of the value-added services. Our work is broadly concerned with scalable and efficient architectures for delivering multimedia applications over the Internet reliably and with high quality. We have designed and implemented a scalable service framework that supports dynamic resource negotiation between users and network, as well as between peering network domains. It enables short-term commitment of resources by the network and demand adaptation by adaptive user applications, and the pricing of network resources based on usage, QoS and user demand. The proposed protocol and schemes are particularly efficient in supporting services where resources are scarce, such as access networks, bottleneck web servers, and wireless air interfaces. Our scheme has been shown to provide performance benefits under high or bursty loads, and provide QoS expectations for wide range of user applications. It improves network utilization and user connectivity. It increases user benefit and network revenue, and reduces service blocking rate. The frame work consists of the following components:

The work incorporates a dynamic resource negotiation protocol, RNAP. RNAP enables negotiation between user applications and the access network, as well as between adjoining network domains, and also enables the distribution and collation of price and charging information.


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    Last Updated: 3/01