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    • 22. 发明授权
    • System for wavelength division multiplexing/asynchronous transfer mode
switching for network communication
    • 用于网络通信的波分复用/异步传输模式切换系统
    • US5550818A
    • 1996-08-27
    • US308313
    • 1994-09-19
    • Charles A. BrackettGee-Kung ChangMuhammed Z. Iqbal
    • Charles A. BrackettGee-Kung ChangMuhammed Z. Iqbal
    • H04J3/08H04J14/02H04L12/433
    • H04J14/0283H04J14/0227H04J14/0241H04J14/0286H04J3/085
    • The present invention is directed to a system for the wavelength division multiplexing/asynchronous transfer mode (WDM/ATM) operation of high-capacity optical communication networks. The optical components of the network can transport vast amounts of information, while the ATM-based electronics provides data processing, and information distribution. The capacity of the communications network to reconfigure and rearrange itself is maximized through wavelength translation of its data signals using a limited set of fixed-wavelength channels. The system incorporates an optical fiber communication network ring, or several optical fiber communication network rings that are connected to each other, through which data signals are transmitted and received. Optical WDM cross-connecting switch devices 4a-4e connect adjacent optical fiber rings 3a, 3b to each other, and control the routing of the data signals into and out of the optical fiber rings 3a, 3b. Access node circuits 2a-2d connected to the WDM cross-connecting switch devices 4a-4d can access the data signals in the optical fiber rings 3a, 3b. Each of the access node circuits 2a-2d can then route the data signals to individual user stations 5a-5h connected to it. A network controller 8 configures the WDM cross-connecting switch devices 4a-4e through their corresponding local node controllers 7.
    • 本发明涉及一种用于高容量光通信网络的波分复用/异步传输模式(WDM / ATM)操作的系统。 网络的光学组件可以传输大量的信息,而基于ATM的电子设备提供数据处理和信息分发。 通过使用有限的一组固定波长信道,通过其数据信号的波长转换,使通信网络重新配置和重新排列自身的能力最大化。 该系统包括彼此连接的光纤通信网络环或几个光纤通信网络环,数据信号通过该光纤通信网络环被发送和接收。 光WDM交叉连接开关装置4a-4e将相邻的光纤环3a,3b彼此连接,并控制数据信号进出光纤环3a,3b的路由。 连接到WDM交叉连接开关装置4a-4d的接入节点电路2a-2d可以访问光纤环3a,3b中的数据信号。 然后,接入节点电路2a-2d中的每一个可以将数据信号路由到连接到它的各个用户站5a-5h。 网络控制器8通过其相应的本地节点控制器7配置WDM交叉连接交换设备4a-4e。
    • 25. 发明授权
    • Optical layer multicasting
    • 光层多播
    • US06873797B2
    • 2005-03-29
    • US09772479
    • 2001-01-30
    • Gee-Kung ChangArshad M. ChowdhuryGeorgios Ellinas
    • Gee-Kung ChangArshad M. ChowdhuryGeorgios Ellinas
    • H04L12/18H04Q11/00H04J14/00
    • H04L12/1836H04L12/1881H04Q11/0066H04Q2011/0047
    • An optical signaling header technique applicable to optical networks wherein packet routing information is embedded in the same channel or wavelength as the data payload so that both the header and data payload propagate through network elements with the same path and the associated delays. The technique effects survivability and security of the optical networks by encompassing conventional electronic security with an optical security layer by generating replicated versions of the input data payload at the input node, and the transmission of each of the replicated versions over a corresponding one of the plurality of links. Moreover, each of the links is composed of multiple wavelengths to propagate optical signals or optical packets, and each of the replicated versions of the data payload may be propagated over a selected one of the wavelengths in each corresponding one of the plurality of links.
    • 一种适用于光网络的光信令报头技术,其中分组路由信息被嵌入与数据有效载荷相同的信道或波长,以便报头和数据有效载荷通过具有相同路径和相关延迟的网络元件传播。 该技术通过在输入节点处生成输入数据有效载荷的复制版本以及在多个对应的一个中的每个复制版本的传输来通过包含具有光学安全层的常规电子安全性来影响光网络的生存性和安全性 的链接。 此外,每个链路由多个波长组成以传播光信号或光分组,并且数据有效载荷的复制版本中的每一个可以在多个链路中的每个对应的一个链路中的所选波长中的所选波长中传播。
    • 30. 发明授权
    • Optical layer multicasting switch
    • 光层组播切换
    • US06754449B2
    • 2004-06-22
    • US09772415
    • 2001-01-30
    • Gee-Kung ChangArshad M. ChowdhuryGeorgios Ellinas
    • Gee-Kung ChangArshad M. ChowdhuryGeorgios Ellinas
    • H04J1400
    • H04Q11/0062H04J14/0227H04J14/0238H04J14/0284H04Q11/0066H04Q11/0071H04Q2011/0077H04Q2011/0081
    • An optical signaling header technique applicable to optical networks wherein packet routing information is embedded in the same channel or wavelength as the data payload so that both the header and data payload propagate through network elements with the same path and the associated delays. The technique effects survivability and security of the optical networks by encompassing conventional electronic security with an optical security layer by generating replicated versions of the input data payload at the input node, and the transmission of each of the replicated versions over a corresponding one of the plurality of links. Moreover, each of the links is composed of multiple wavelengths to propagate optical signals or optical packets, and each of the replicated versions of the data payload may be propagated over a selected one of the wavelengths in each corresponding one of the plurality of links.
    • 一种适用于光网络的光信令报头技术,其中分组路由信息被嵌入与数据有效载荷相同的信道或波长,以便报头和数据有效载荷通过具有相同路径和相关延迟的网络元件传播。 该技术通过在输入节点处生成输入数据有效载荷的复制版本以及在多个对应的一个中的每个复制版本的传输来通过包含具有光学安全层的常规电子安全性来影响光网络的生存性和安全性 的链接。 此外,每个链路由多个波长组成以传播光信号或光分组,并且数据有效载荷的复制版本中的每一个可以在多个链路中的每个对应的一个链路中的所选波长中的所选波长中传播。