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The Layer-Independent Descriptor Concept

机译：独立于层的描述符概念

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—With the fast improvements of broadband technologies,more and more demanding services can be accessed.Broadband access is supported by a range of wirelessand wireline technologies. Well known representatives areWLAN and UMTS for wireless and xDSL for wirelineaccess. However, the highly varying nature of wirelesschannels and the crosstalk behavior of the DSL channel aretypical traits, and most challenging to combat. Moreover,the stringent requirements of real-time applications requireenhancements in service delivery. The tremendous interestin communication has driven the deployment of new accesssystems. Hence, for the End-to-End point of view, theservice delivery multifarious due to the heterogeneity ofthe underlying transport network. Therefore, to enable atransport independent path set-up, application and networkproperties that may influence the user-perceived quality needto be unified. Thereby, media scalability plays a key role.Recently, cross-layer communication is getting acceptance asa method that efficiently increases the system performance.Unlike previous works that mainly addressed the issue ofapplication based feedback, we focus on the information thatthe application can provide to guide the network for localstream management. We present the necessary set of ApplicationLayer information for scalable audiovisual streams tooffer individual QoS, at lowermost packet overhead. Finally,we show the sustainable gain in system performance basedon a DSL use-case.
机译：- 可以访问宽带技术的快速改进，可以访问越来越苛刻的服务。一系列Wirelessand有线技术支持BRoadBand访问。众所周知的代表是无线和umts的Wirelineacess的无线和XDSL。然而，无线通道的高度不同性质和DSL通道的串扰行为是不可批量的特征，最具挑战性的战斗。此外，服务交付中的实时应用程序的严格要求。巨大的兴趣通信推动了部署新的AccessSystems。因此，对于端到端的观点来看，由于底层运输网络的异质性导致重新传递多种性。因此，要启用Atransport独立的路径设置，应用程序和网络商品可能影响用户感知质量统一。由此，介质可伸缩性起到关键作用。即可，跨层通信正在接受验收的ASA方法，可有效地增加系统性能.Uplike以前的工作，主要解决了基于反馈的应用，我们专注于应用程序可以提供指导的信息用于本地管理的网络。我们在最低点分组开销处介绍了用于可扩展的视听物流的必要Applicationally信息集。最后，我们在基于DSL用例的系统性能中显示了可持续增益。

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