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    • 62. 发明申请
    • PHOTONIC COMMUNICATION SYSTEM WITH
    • 具有“子线速率”带宽粒度,协议透明度和确定性网格连通性的光子通信系统
    • WO02071791A3
    • 2002-10-24
    • PCT/CA0200301
    • 2002-03-06
    • DON-CAROLIS CEDRICMCILROY PETERSOKOLOWSKI EDWARD RYSZARD
    • DON-CAROLIS CEDRICMCILROY PETERSOKOLOWSKI EDWARD RYSZARD
    • H04J14/02H04Q11/00
    • H04J14/0297H04J14/0227H04J14/0238H04J14/0241H04J14/0283H04J14/0284H04J14/0286H04J14/0291H04J14/0294H04J14/0295H04Q11/0066H04Q11/0071H04Q2011/0016H04Q2011/0024H04Q2011/0033H04Q2011/0064H04Q2011/0073H04Q2011/0075H04Q2011/0081H04Q2011/0083H04Q2011/0086H04Q2011/0088
    • A method for transparently transporting a multiplicity of data formats (TDM, frame, packet, cell, etc.) and bit rates in a deterministic manner over an optical telecommunications network facilitates purely photonic aggregation, separation and switching of granular, sub-wavelength capacity of bandwidths less than the line rate capacity. The sub-rate of the optical transport on a given optical frequency between network edge components uses time-slot based TDM channels that can be optically bursted across different wavelengths using wavelength hopping to allow all-optical switching of the channels between different signal paths in the optical switch nodes, on a time-slot-by-time slot basis using WDM to reduce the probability of blocked connections. The connection management of these wavelength hopping optical TDM bursts, (referred to as waveslots herein) is done using a connection protocol that employs conventional "least cost" path calculation algorithms to identify target connection routing through the optical network. A path integrity process ensures capacity, link removal and recalculation in cases of blocked connections. The time slot and wavelength map can be represented as a two dimensional matrix. Availability calculations can be done using simple matrix logic operations. The capability of the network to reconfigure and rearrange itself is maximized by the use of wavelength hopping. A full optical connection oriented bandwidth mechanism for management of that granular capacity is provided.
    • 在光通信网络上以确定性的方式透明地传输多种数据格式(TDM,帧,分组,小区等)和比特率的方法有助于纯光子聚合,分离和切换颗粒子波长容量 带宽小于线路速率容量。 在网络边缘组件之间的给定光频率上的光学传输的子速率使用基于时隙的TDM信道,其可以使用波长跳跃在不同波长上光学地猝发,以允许在不同信号路径之间的信道的全光切换 光交换节点,使用WDM逐时隙地减少阻塞连接的可能性。 这些波长跳跃光学TDM突发的连接管理(在此称为波形)是使用连接协议完成的,该连接协议采用传统的“最低成本”路径计算算法来识别通过光网络的目标连接路由。 路径完整性过程可确保在阻塞连接情况下的容量,链路移除和重新计算。 时隙和波长图可以表示为二维矩阵。 可用性计算可以使用简单的矩阵逻辑操作完成。 网络重新配置和重新排列的能力是通过使用波长跳跃来最大化的。 提供了用于管理该粒度容量的全光学连接导向带宽机制。