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Ecosystem, QoE and pricing of end to end differentiated services

机译：生态系统，QoE和端到端差异化服务的定价

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摘要

End-to-End (E2E) differentiated services refer to content and application services delivered over Internet with differentiated grade of quality of service (QoS) involving multiple network and ecosystem actors. Such services represent a prospective way to assure QoS required by demanding customers, who cannot be satisfied with QoS delivered by the usual best effort Internet connectivity. This paper focuses on the service differentiation aspect. Using portfolio theory from finance, it develops an optimization model designed for selection of portfolio of such content and application services with varying degrees of QoS by risk adverse service provider under uncertainty about demand, generated by market of heterogeneous users. The model includes decisions about service offer, quality of services, pricing and network capacity expansion. QoS is here used as an objective measure of quality of experience (QoE) for services with E2E performance determining the user satisfaction degree. The risk/profit tradeoff is computed using the industry specific risk measure, which is the fraction of demand not satisfied under the required QoS. We present numerical analysis of the model and the results of the case study shows that introduction of E2E differentiated services can bring substantial benefits to ISP and demanding users, while preserving the quality of basic services.
机译：端到端（E2E）差异服务是指通过Internet交付的具有不同服务质量等级（QoS）的内容和应用程序服务，涉及多个网络和生态系统参与者。此类服务代表了一种确保有需求的客户所需的QoS的预期方式，这些客户对通常的尽力而为的Internet连接所交付的QoS无法满意。本文着重于服务差异化方面。它使用来自金融的投资组合理论，开发了一种优化模型，该模型设计用于在异构用户市场产生需求不确定性的情况下，风险不利的服务提供商选择具有不同程度QoS的此类内容和应用服务的投资组合。该模型包括有关服务提供，服务质量，定价和网络容量扩展的决策。 QoS在这里用作客观质量的体验质量（QoE）度量，其端到端性能决定了用户的满意度。风险/利润权衡是使用特定于行业的风险度量来计算的，该度量是在要求的QoS下无法满足的需求比例。我们对该模型进行数值分析，并通过案例研究的结果表明，引入端到端差异化服务可以在保持基本服务质量的同时，为ISP和要求苛刻的用户带来实质性好处。

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