Browsing by Subject "Intelligent networks"
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Item Open Access A comparative study of single-layer and multi-layer traffic engineering approaches on transparent optical networks(IEEE, 2007) Şengezer, Namık; Puype, B.; Karasan, Ezhan; Pickavet, M.This paper comparatively studies single-layer and multi-layer traffic engineering strategies on an IP/MPLS/WDM network. These strategies are evaluated and compared in two different scenarios. In the first scenario, the strategies make use of statistical information on the traffic patterns. In the second scenario, the traffic engineering decisions are based on the instantaneous traffic information only. The performance and benefits of both approaches are discussed based on simulations considering both throughput and network resource usage. © 2007 IEEE.Item Open Access Dynamic congestion control in interconnected computer networks(IEEE, 1988-10) Ulusoy, Özgür; Baray, MehmetThe authors evaluate a window-based congestion control mechanism in an internetwork environment. They also propose and study two dynamic-window congestion-control algorithms. These algorithms provide further control to the window mechanism by adjusting the window size in accordance with the availability of the network resources at the destination. A comparison of dynamic algorithms with fixed window control is provided in terms of throughput and delay performance. It is shown that dynamic algorithms have considerable performance advantages over fixed-window control.