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Analysis of bandwidth allocation on end-to-end QoS networks under budget control

机译:预算控制下端到端QoS网络带宽分配分析

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This paper considers the problem of bandwidth allocation on communication networks with multiple classes of traffic, where bandwidth is determined under the budget constraint. Due to the limited budget, there is a risk that the network service providers can not assert a 100% guaranteed availability for the stochastic traffic demand at all times. We derive the blocking probabilities of connections as a function of bandwidth, traffic demand and the available number of virtual paths based on the Erlang loss formula for all service classes. A revenue/profit function is studied through the monotonicity and convexity of the blocking probability and expected path occupancy. We present the optimality conditions and develop a solution algorithm for optimal bandwidth of revenue management schemes. The sensitivity analysis and three economic elasticity notions are also proposed to investigate the marginal revenue for a given traffic class by changing bandwidth, traffic demand and the number of virtual paths, respectively. By analysis of those monotone and convex properties, it significantly facilitates the operational process in the efficient design and provision of a core network under the budget constraint.
机译:本文考虑了具有多种流量类型的通信网络上的带宽分配问题,其中带宽是在预算约束下确定的。由于预算有限,存在网络服务提供商无法始终针对随机流量需求主张100%保证可用性的风险。我们基于所有服务类别的Erlang损失公式,得出连接的阻塞概率随带宽,流量需求和可用虚拟路径数量的变化而变化。通过阻塞概率和预期路径占用率的单调性和凸性来研究收入/利润函数。我们提出了最优性条件,并开发了一种用于收益管理方案的最佳带宽的解决方案算法。还提出了敏感性分析和三种经济弹性概念,分别通过更改带宽,流量需求和虚拟路径数量来研究给定流量类别的边际收益。通过分析那些单调和凸的特性,它在预算约束下显着促进了高效设计和提供核心网络的操作过程。

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