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Aggregate scheduling techniques have been developed and deployed to avoid complexities of Integrated Services model. A major breakthrough in this regard is in terms of scheduling with Packet Scale Rate Guarantee. However, fundamental limitation of the method lies in unbounded growth of end-to-end delay, whenever the strict relation between utilization and number of hops traversed, fails. A tighter...
Self-similarity with Long Range Dependence (LRD) in network traffic has been modeled using aggregation from On-Off sources. The model requires that each of the On and Off period distribution follow Power-tail distribution like Pareto distribution. This paper characterizes of burst inter-arrival time of network traffic using Bellcore Morristown Laboratory Data and an Academic Institute LAN trace. It...
Aggregation of flows into classes is used to avoid the scalability problems of IntServ model and this requires per-class scheduling decisions. There are number of issues associated with such approach e.g. what will be per-flow guarantee, which flows are to be aggregated together, how to determine service order among multiple classes and within a class etc. DiffServ model is a framework wherein class...
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