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首页> 外文会议>Conference on optical transmission systems and equipment for WDM networking >Experiments over ONRAMP: A Reconfigurable Optical Access Network
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Experiments over ONRAMP: A Reconfigurable Optical Access Network

机译：ONRAMP实验：可重构的光学接入网络

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摘要

The integration of electronic routing functions with WDM functions in network elements capable of reconfiguration over short time scales enables access networks to efficiently service time varying demand. An effective coordination of electronic and WDM network functions allows traffic to bypass electronic to optical conversion within the access network. The cost benefits derived from reduced transponder use due to this coordination can result in lower cost access for end users. The transparency of WDM also allows heterogeneous traffic formats to be carried over a common fiber. In this paper, we describe a reconfigurable WDM access network testbed that incorporates features outlined above. This testbed was used in demonstrating network functions such as dynamic lightpath provisioning, packet flow-switching, and remote amplification for supporting large numbers of end users. The testbed network incorporates protection switching and network control capabilities. The testbed network also provides connectivity to an in-ground long haul network. The testbed architecture and description of networking experiments demonstrating its capabilities are presented. The throughput degradation due to optical flow switching for Transport Control Protocol (TCP) data transmissions over large bitrate-delay product links is characterized. Adding the Eifel Algorithm to the TCP implementation restored performance. The performance of a remotely pumped EDFA for serving many users in the collection/distribution network is also presented.
机译：在能够在短时间缩放的网络元件中使用WDM功能的电子路由功能的集成使得接入网络能够有效地使用时间变化需求。电子和WDM网络功能的有效协调允许流量绕过电子到接入网络内的光学转换。由于此协调而导致的转发器使用降低的成本效益可能导致最终用户的成本较低。 WDM的透明度还允许在普通光纤上运送异构的交通格式。在本文中，我们描述了一个可重构的WDM访问网络测试，该网络测试平台包含上面概述的功能。该测试平台用于说明动态光路供应，分组流切换和远程放大等网络功能，以支持大量最终用户。测试平网包含保护切换和网络控制功能。测试平网还提供与地覆盖长途网络的连接。展示了展示其能力的网络实验的测试平架和描述。在大型比特率延迟产品链路上的传输控制协议（TCP）数据传输引起的吞吐量劣化。将eifel算法添加到TCP实现恢复性能。还提出了用于在集合/分销网络中为许多用户提供服务的远程抽水的EDFA的性能。

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