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The concurrent use of networks provides a powerful means to boost performance in areas covered by multiple networks where only limited bandwidth is available. However, despite its enormous potential for performance improvement only little is known about how to effectively exploit the potential for performance improvement in practical deployments. This raises the need for traffic-splitting-and-reassembly...
Today, a wide range of networks exist that provide users with data services using TCP. For performance engineering of such networks there is a need for simple but accurate models to predict the performance under anticipated load conditions. This is a challenging task, because the combined packet-level dynamics of the network-protocol stack are highly complicated. First, we explain how the packet-level...
We study the performance of FTP file transfers over a WLAN and propose a new analytic model that translates the highly complex dynamics of the FTP/TCP/IP/MAC-stack, and their interactions, into a single parameter, called the effective load, and use this to describe the flow-level behavior of FTP-based file transfers over WLANs without admission control as an M/G/l Processor-Sharing (PS)-model. This...
The research area of multimedia content analysis (MMCA) considers all aspects of the automated extraction of new knowledge from large multimedia data streams and archives. In recent years, there has been a tremendous growth (in data and computational demands) in the MMCA domain, and this growth is likely to continue in the near future. Multimedia applications operating in real-time environments must...
The application and research area of Multimedia Content Analysis (MMCA) considers all aspects of the automated extraction of new knowledge from large multimedia data streams and archives. In recent years, there has been a tremendous growth in the MMCA application domain (for real-time and off-line execution scenarios alike), and this growth is likely to continue in the near future. Multimedia applications...
Next-generation service offerings will integrate information from multiple interconnected servers. For the commercial success of these services, the ability to deliver good end-to-end quality-of-service (QoS) is crucial. Today, no mature solutions exist for the problem of realizing high and guaranteed end-to-end QoS for transaction-based services in multi-domain environments. Service level agreements...
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