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    • 4. 发明授权
    • Architecture for a hybrid STM/ATM add-drop multiplexer
    • 混合STM / ATM分插复用器的架构
    • US06359859B1
    • 2002-03-19
    • US09325187
    • 1999-06-03
    • Stephen J. BrolinRobert W. DeMarco
    • Stephen J. BrolinRobert W. DeMarco
    • H04L1244
    • H04L49/557H04J3/0688H04J3/0691H04J2203/0012H04J2203/0017H04J2203/0021H04J2203/0025H04J2203/006H04L12/5601H04L49/1523H04L49/153H04L49/1553H04L49/25H04L49/30H04L49/3081H04L49/40H04L49/552H04L49/606H04L2012/5605H04L2012/5618H04L2012/5627H04L2012/5665H04Q11/0478
    • An architecture for a SONET network element, such as a hybrid STM/ATM add-drop multiplexer. The disclosed system includes an interconnection system for a network element, including a line unit slot, a switch fabric slot, and two or more service unit slots. The line unit slot is connected as a hub to the switch fabric slot and the service unit slots in a first star interconnection configuration. The switch fabric slot is connected as a hub to the line unit slot and the service unit slots in a second star interconnection configuration. The star interconnection configurations provide fault isolation between different units, and allow for replacement of failed units without interfering with the links of other units to the hub. In a preferred embodiment, the switch fabric slot and one of the service unit slots comprise the same slot, thus permitting flexible configuration of the device within a minimal space. In a further illustrative embodiment, a control unit slot is provided in the interconnection system, and connected as a hub to the line unit slot, the switch fabric slot, and the service unit slots to form a third star interconnection configuration. A service unit is also disclosed, including a first backplane interface for connecting with an ATM star interconnect configuration within the network element, and a second backplane interface for connecting to an STM star interconnect configuration within said network element. The service unit further includes a third backplane interface to connect with a control star interconnect configuration within the network element.
    • 用于SONET网元的架构,例如混合STM / ATM分插复用器。 所公开的系统包括用于网络元件的互连系统,包括线路单元时隙,交换矩阵时隙和两个或更多个服务单元时隙。 线路单元插槽作为集线器连接到交换矩阵槽,并且服务单元以第一星形互连配置插槽。 交换矩阵槽作为集线器连接到线路单元插槽,并且服务单元以第二星形互连配置插槽。 星形互连配置提供不同单元之间的故障隔离,并允许更换故障单元,而不会干扰其他单元到集线器的链路。 在优选实施例中,交换结构时隙和服务单元时隙中的一个包括相同的时隙,从而允许设备在最小空间内的灵活配置。 在另一说明性实施例中,控制单元插槽设置在互连系统中,并且作为集线器连接到线路单元插槽,交换矩阵插槽和服务单元插槽以形成第三星形互连配置。 还公开了一种服务单元,包括用于与网络元件内的ATM星形互连配置连接的第一背板接口和用于连接到所述网络元件内的STM星形互连配置的第二背板接口。 服务单元还包括第三背板接口,以与网络元件内的控制星形互连配置连接。
    • 9. 发明授权
    • System and method for distributing traffic in an optical network
    • 用于在光网络中分配流量的系统和方法
    • US07653309B2
    • 2010-01-26
    • US11426879
    • 2006-06-27
    • Martin BoudaStephen J. Brolin
    • Martin BoudaStephen J. Brolin
    • H04J14/00
    • H04J14/0226H04J14/0227H04J14/0232H04J14/0246H04J14/0247H04J14/025H04J14/0252H04J14/0282H04Q11/0067H04Q2011/0073
    • In accordance with the teachings of the present invention, a system and method for distributing traffic in an optical network is provided. In a particular embodiment, an optical network includes an upstream terminal, a distribution node, and a plurality of downstream terminals. The distribution node in the optical network includes a wavelength router configured to receive wavelength division multiplexed (WDM) traffic in a plurality of wavelengths from the upstream terminal, route the traffic in at least one wavelength to a primary power splitter, and route the traffic in a plurality of other wavelengths for distribution to particular downstream terminals. The distribution node also includes a primary power splitter configured to receive the traffic in the at least one wavelength from the wavelength router, split the received traffic in the at least one wavelength into a plurality of copies, and forward the copies for distribution to all of the downstream terminals.
    • 根据本发明的教导,提供了一种用于在光网络中分配业务的系统和方法。 在特定实施例中,光网络包括上游终端,分发节点和多个下游终端。 光网络中的分发节点包括配置成从上游终端接收多个波长的波分复用(WDM)业务的波长路由器,将至少一个波长的业务路由到主功率分配器,并将业务路由 多个其他波长用于分配给特定的下游终端。 分配节点还包括主功率分配器,其被配置为从波长路由器接收至少一个波长的业务,将所述至少一个波长中的接收业务分解成多个副本,并将所述副本转发到全部 下游终端。