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A model and algorithm for sizing and routing DCS switched telecommunications networks

机译:DCS交换电信网络规模和路由的模型和算法

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摘要

Demand for broadband services such as fax, videotelephony, video conference and data transmission continues to explode as we move into the twenty-first century. The new broadband demand differs from voice traffic in that it varies rapidly with respect to the average length of time capacity is held by a customer. Hence, steady state models of network traffic are not valid in general, and may not provide approximations that are sufficiently accurate for network design. In addition, modern telecommunications networks incorporate advanced switching technology that can provide flexible routing of network traffic based on network load and projected demand. It is desireable to take advantage of this new flexibility to design reliable, yet low cost, networks. In this dissertation a multistage stochastic linear programming model for the design of broadband networks is presented, along with a specialized algorithm for solving the program. The algorithm is based on Network Recourse Decomposition (NRD) first introduced by Powell and Cheung. The solution method incorporates cost calculations that prove to be useful for both sizing and routing decisions.
机译:随着我们进入二十一世纪,对传真,视频电话,视频会议和数据传输等宽带服务的需求持续激增。新的宽带需求与语音流量的不同之处在于,它相对于客户拥有的平均时间容量长度而言变化很快。因此,网络流量的稳态模型通常无效,并且可能无法提供对于网络设计足够准确的近似值。另外,现代电信网络采用了先进的交换技术,可以根据网络负载和预期需求提供灵活的网络流量路由。期望利用这种新的灵活性来设计可靠而低成本的网络。本文提出了一种用于宽带网络设计的多阶段随机线性规划模型,以及一种用于求解该规划的专用算法。该算法基于Powell和Cheung首次提出的网络资源分解(NRD)。该解决方案方法合并了成本计算,这对于确定规模和路由决策都是有用的。

著录项

  • 作者

    Cameron Grant Arthur 1960-;

  • 作者单位
  • 年度 1998
  • 总页数
  • 原文格式 PDF
  • 正文语种 en_US
  • 中图分类

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