Research Issues in Broadband Networks

首席调查员(PI)将探索ATM(异步传输模式)网络的缓冲区管理策略。业务集中器和交换缓冲器将被建模为具有不耐烦客户的队列，可能属于不同的优先级。不耐烦的客户对应于来自时间受限的业务(例如语音或视频)的信元或分组。这里的重点是制定最优调度策略，例如，在各自的最后期限之前最大限度地增加客户的数量。所使用的技术将基于样本路径比较、随机优势和随机动态规划。

The principal investigator (PI) will explore buffer management policies for ATM (Asynchronous Transfer Mode) networks. Traffic concentrators and switch buffers will be modeled as queues with impatient customers, possibly belonging to different priority classes. The impatient customers correspond to cells or packets from time-constrained traffic such as voice or video. The focus here is the development of optimal scheduling policies which, for example, maximize the number of customers served before their respective deadlines. The techniques used will be based on sample path comparisons, stochastic dominance, and stochastic dynamic programming.