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发明申请
US20090232492A1 DIRECTIONLESS OPTICAL ARCHITECTURE AND HIGHLY AVAILABLE NETWORK AND PHOTONIC RESILIENCE METHODS 有权
无方向性的光学结构和高可用性网络和光电性能方法

  • 专利标题： DIRECTIONLESS OPTICAL ARCHITECTURE AND HIGHLY AVAILABLE NETWORK AND PHOTONIC RESILIENCE METHODS
  • 专利标题（中）： 无方向性的光学结构和高可用性网络和光电性能方法
  • 申请号： US12045933
    申请日： 2008-03-11
  • 公开(公告)号： US20090232492A1
    公开(公告)日： 2009-09-17
  • 发明人: LOUDON BLAIR , Michael Y. Frankel
  • 申请人： LOUDON BLAIR , Michael Y. Frankel
  • 主分类号： H04J14/00
  • IPC分类号： H04J14/00
DIRECTIONLESS OPTICAL ARCHITECTURE AND HIGHLY AVAILABLE NETWORK AND PHOTONIC RESILIENCE METHODS
摘要：
The present invention provides a directionless optical architecture for reconfigurable optical add/drop multiplexers (ROADMs) and wavelength selective switches (WSSs). The directionless architecture utilizes a directionless wavelength switch coupled between client devices and ROADMs/WSSs to eliminate the need to hard-wire client devices to a wavelength division multiplexed (WDM) network. Accordingly, client device connections can be automatically routed without manual intervention to provide a highly resilient network design which can recover route diversity during failure scenarios. Additionally, the present invention minimizes deployments of costly optical transceivers while providing superior resiliency. Further, the present invention couples the directionless optical architecture and associated optical protection mechanisms with existing mesh restoration schemes to provide additional resiliency.
摘要（中）：

本发明提供了一种用于可重新配置的光分插复用器（ROADM）和波长选择开关（WSS）的无向光学架构。 无方向结构使用耦合在客户端设备和ROADM / WSS之间的无方向波长切换，以消除将硬线客户端设备连接到波分复用（WDM）网络的需要。 因此，可以自动路由客户端设备连接，而无需手动干预，以提供高度弹性的网络设计，可在故障情况下恢复路由分集。 另外，本发明使昂贵的光收发器的部署最小化，同时提供优异的弹性。 此外，本发明将无方向光学架构和相关联的光学保护机制与现有的网格恢复方案相结合，以提供额外的弹性。

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