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Towards a Framework for Comparing Application-Network Interaction Mechanisms

机译：建立一个比较应用程序网络交互机制的框架

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Multimedia services, such as HTTP adaptive streaming (HAS) and audio conferencing, hold a dominant share in Internet traffic and are critical to end-user quality of experience (QoE). Since a distributed, application-level adaptation to the available network resources may not result in an optimal and fair QoE among heterogeneous clients, there is the need for a coordinated application-network interaction (App-Net), which includes exchange of monitoring and control information between the involved entities. Numerous App-Net approaches have been proposed, but typically for very specific use cases. A systematic comparison of such solutions, which would identify their pros and cons, as well as potential application scenarios, is missing. Our paper addresses this gap by providing an overview of QoE-centric App-Net mechanisms and deducing an abstract interaction model. In order to evaluate a trade-off between QoE gains and the messaging overhead, we use the latter model to compare two App-Net mechanisms for HAS against a baseline HAS implementation.
机译：诸如HTTP自适应流（HAS）和音频会议之类的多媒体服务在Internet流量中占有主导地位，并且对于最终用户的体验质量（QoE）至关重要。由于对可用网络资源的分布式，应用程序级适应可能不会导致异构客户端之间的最佳且公平的QoE，因此需要协调的应用程序-网络交互（App-Net），其中包括监视和控制的交换有关实体之间的信息。已经提出了许多App-Net方法，但通常用于非常特定的用例。缺少对这些解决方案的系统比较，这将确定它们的优缺点以及潜在的应用场景。我们的文章通过概述以QoE为中心的App-Net机制并推论出抽象的交互模型来解决这一差距。为了评估QoE收益与消息传递开销之间的折衷，我们使用后一种模型将两种用于HAS的App-Net机制与基线HAS实施进行比较。

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