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Cost Model and Optimal Allocation of Service Curves in Reservation-based Networks

机译：基于预留的网络成本模型与服务曲线的最优分配

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摘要

Although sophisticated network transport services providing multi-parameter performance guarantees have been defined, the most commonly deployed cost models are still based on bandwidth as single commodity to be charged. As alternative to a multi-parameter service description, service curves are an appropriate tool to characterize the service performance and to quantify the efforts required to provide this performance. In our work we deal with an appropriate cost model for generic service curves. We identify the service curve properties, which significantly impact on the performance perceived by users, i.e. which have major impact on the user's utility. These characteristic service curve properties constitute the resource set that is the basis of an appropriate cost model. The proposed cost model is based on charging the allocation of the identified resources and we derive a minimum cost allocation strategy depending on the single unit prices of each resource. Using the the marginal rate of substitution among the identified resources, the derived allocation strategy only requires knowledge of the technical efficiency constraint defining an implicit relation between the respective resources.
机译：尽管已经定义了提供多参数性能保证的复杂网络传输服务，但最普遍部署的成本模型仍然基于带宽作为单一收费商品。作为多参数服务描述的替代方法，服务曲线是表征服务性能并量化提供此性能所需的工作量的合适工具。在我们的工作中，我们为通用服务曲线处理适当的成本模型。我们确定服务曲线属性，这些属性会严重影响用户感知的性能，即会对用户的效用产生重大影响。这些特征服务曲线属性构成资源集，该资源集是适当成本模型的基础。提议的成本模型基于对已识别资源的分配收取费用，我们根据每种资源的单个单位价格得出最小成本分配策略。使用识别出的资源之间的边际替代率，导出的分配策略仅需要了解技术效率约束，即可定义相应资源之间的隐式关系。

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