公开(公告)号：US20090175289A1

公开(公告)日：2009-07-09

申请号：US12403601

申请日：2009-03-13

申请人： Matthew L. Heston ,  Gregory S. Nehib

发明人： Matthew L. Heston ,  Gregory S. Nehib

IPC分类号： H04L12/56 ,  H04J14/08

CPC分类号： H04J3/1611 ,  H04J3/1664 ,  H04J2203/0025 ,  H04J2203/0085 ,  H04J2203/0094 ,  H04J2203/0096 ,  H04L49/357

摘要： Methods and apparatus for enabling a line card to support multiple ports, multiple rates, and multiple protocols within an optical network system are disclosed. According to one aspect of the present invention, a line card that is suitable for incorporation into one of a multi-slot broadband digital cross-connect system or a multiservice provisioning platform includes a first port and a plurality of devices. The first port is arranged to be provisioned to accept an input signal which may be one of a signal of a first protocol and a signal of a second protocol. The plurality of devices being arranged to process the input signal to create an output signal which has a SONET payload. In one embodiment, the signal of the first protocol is an OC-n signal and the signal of the second protocol is a Gigabit Ethernet signal.

摘要翻译： 公开了一种用于使线路卡支持光网络系统内的多个端口，多个速率和多个协议的方法和装置。 根据本发明的一个方面，适用于并入多时隙宽带数字交叉连接系统或多业务供应平台之一的线路卡包括第一端口和多个设备。 第一端口被布置成被配置为接受可以是第一协议的信号和第二协议的信号之一的输入信号。 多个设备被布置成处理输入信号以产生具有SONET有效载荷的输出信号。 在一个实施例中，第一协议的信号是OC-n信号，并且第二协议的信号是千兆以太网信号。

公开(公告)号：US07433318B2

公开(公告)日：2008-10-07

申请号：US11067474

申请日：2005-02-25

申请人： Ritsuko Isonuma

发明人： Ritsuko Isonuma

IPC分类号： G01R31/08

CPC分类号： H04J3/14 ,  H04J3/08 ,  H04J2203/006 ,  H04J2203/0096

摘要： A received path trace detection apparatus includes (i) a specific byte extracting/holding function unit for receiving a path signal and extracting and holding once path information written for showing the path in specific bytes in the received path signal at a predetermined sampling timing, (ii) a comparing function unit for detecting if path information for specific bytes held and path specific bytes currently received match, (iii) a protecting function unit for detecting that the matches have continued for exactly a predetermined number of protection stages as a result of the comparison by the function unit, and (iv) a forwarding function unit for forwarding the held path information to an erroneous connection decision unit for deciding if values exhibited by path information of the specific bytes held at the function unit and predetermined expected values match when matches of the consecutive number of protection stages are detected by the function unit.

摘要翻译： 接收路径轨迹检测装置包括：（i）用于接收路径信号的特定字节提取/保存功能单元，并且以预定的采样定时提取并保持一次写入用于在接收路径信号中以特定字节表示路径的路径信息（ ii）比较功能单元，用于检测所保存的特定字节的路径信息和当前接收到的路径特定字节是否匹配，（iii）保护功能单元，用于检测匹配是否继续正好预定数量的保护级，作为 通过功能单元进行比较，以及（iv）转发功能单元，用于将保持的路径信息转发到错误连接判定单元，用于决定在匹配时保持在功能单元上的特定字节的路径信息所表示的值和预定期望值是否匹配 的连续数量的保护级由功能单元检测。

公开(公告)号：US07023848B2

公开(公告)日：2006-04-04

申请号：US09855730

申请日：2001-05-16

申请人： Eitan Yehuda ,  Idan Kaspit ,  Eyal Shaked

发明人： Eitan Yehuda ,  Idan Kaspit ,  Eyal Shaked

IPC分类号： H04L12/56

CPC分类号： H04J3/14 ,  H04J3/0623 ,  H04J2203/006 ,  H04J2203/0096

摘要： A method and a system for errorless switching, in a telecommunication network, from a basic data stream to a copy of the basic data stream obtained by bridging of the basic data stream at a first network node, being characterized in that the switching is performed at a second network node receiving both the basic data stream and the copy data stream, upon performing an operation of delay equalization between the basic data stream and the copy data stream.

公开(公告)号：US06940808B1

公开(公告)日：2005-09-06

申请号：US09548667

申请日：2000-04-13

申请人： James A. Shields ,  Mark Allaye-Chan

发明人： James A. Shields ,  Mark Allaye-Chan

IPC分类号： H04J3/08 ,  H04Q11/04 ,  H04L12/26

CPC分类号： H04J3/085 ,  H04J2203/0042 ,  H04J2203/0053 ,  H04J2203/006 ,  H04J2203/0085 ,  H04J2203/0096

摘要： A traffic recovery mechanism for communication networks uses a layer-1 adaptive rate protection scheme that compliments layer-3 restoration mechanisms. The protection scheme allocates less bandwidth to the traffic during a protection switch than during the normal operating conditions. This scheme allows the network to roll off more gracefully from the perspective of the applications routed through it. Rate adaptation is effected by a new interface between the data equipment and the transport network, which switches information transfer rate between two or more predetermined levels.

摘要翻译： 通信网络的业务恢复机制采用了第1层自适应速率保护方案，可以满足第3层恢复机制。 保护方案在保护开关期间比在正常操作条件下为流量分配更少的带宽。 该方案允许网络从通过它路由的应用程序的角度更优雅地滚出。 速率适配由数据设备和传输网络之间的新接口实现，其在两个或更多个预定级别之间切换信息传输速率。

公开(公告)号：US06831932B1

公开(公告)日：2004-12-14

申请号：US09616879

申请日：2000-07-14

申请人： James Patrick Boyle ,  Steven Craig White ,  Joseph Cajetan Lawrence

发明人： James Patrick Boyle ,  Steven Craig White ,  Joseph Cajetan Lawrence

IPC分类号： H04J302

CPC分类号： H04Q11/0478 ,  H04J2203/0082 ,  H04J2203/0089 ,  H04J2203/0096

摘要： Synchronous Optical NETwork (SONET) traffic is sent across a packet network. A SONET transmission is decoded into a data structure. The data structure is then converted into one or more packets and sent across the packet network.

摘要翻译： 同步光网络（SONET）业务通过分组网络发送。 SONET传输被解码成数据结构。 然后将数据结构转换成一个或多个分组，并通过分组网络发送。

公开(公告)号：US20030189925A1

公开(公告)日：2003-10-09

申请号：US10185330

申请日：2002-06-28

申请人： CIENA Corporation

发明人： Tom Wellbaum ,  Daniel Klausmeier

IPC分类号： H04Q011/00

CPC分类号： H04J3/1611 ,  H04J3/0623 ,  H04J2203/0003 ,  H04J2203/0032 ,  H04J2203/0091 ,  H04J2203/0096 ,  H04Q11/0478

摘要： Data frames are converted to a format suitable for transparent, flexible concatenated transport such that a network element not supporting flexible concatenation may transparently pass the data frames. Flexible concatenation involves nonstandard data frames such as an STS-4c or an STS-Nc in which the time slots do not occupy rigidly defined contiguous time slots. In transparent flexible concatenation, the pointer from the parent time slot is used for each of the child time slots and the concatenation identifier is set to indicate no concatenation. In this way, the concatenated data appears to be a series of conventional STS-1s such that pointer processing may be successfully accomplished even by a network element not capable of handling non-standard concatenations. A downstream receive framer reconstructs the original STS-Nc based on the N STS-1s and a concatenation table the contents of which are shared between the transmit framer and the downstream receive framer.

摘要翻译： 数据帧被转换成适合于透明，灵活的级联传输的格式，使得不支持灵活级联的网络元件可以透明地传递数据帧。 灵活连接涉及非标准数据帧，例如STS-4c或STS-Nc，其中时隙不占用刚性定义的连续时隙。 在透明灵活连接中，父时隙中的指针用于每个子时隙，并且级联标识符被设置为指示不连接。 以这种方式，连接的数据似乎是一系列常规STS-1，使得甚至可以通过不能处理非标准级联的网络元件来成功地实现指针处理。 下行接收成帧器基于N STS-1重建原始STS-Nc，并且在发送成帧器和下行接收成帧器之间共享其内容的级联表。

公开(公告)号：US06553034B2

公开(公告)日：2003-04-22

申请号：US09905734

申请日：2001-07-14

申请人： Eric L. Chan ,  Andy D. Helfrich ,  Leland M. Kornhaus

发明人： Eric L. Chan ,  Andy D. Helfrich ,  Leland M. Kornhaus

IPC分类号： H04J314

CPC分类号： H04Q11/0478 ,  H04J3/085 ,  H04J2203/0042 ,  H04J2203/006 ,  H04J2203/0071 ,  H04J2203/0073 ,  H04J2203/0096 ,  H04L2012/5605 ,  H04L2012/5612 ,  H04L2012/5627

摘要： A method and apparatus for the robust implementation and protection of Asynchronous Transfer Mode (ATM) traffic over a Synchronous Optical Network (SONET) Unidirectional Path Switched Ring (UPSR). The traditional SONET bridging function is eliminated for the ATM traffic in favor of a selector function. The selector function occurs at the ingress of the ATM traffic to the UPSR and directs the ATM traffic to its destination via a virtual path over the UPSR. The ATM traffic is protected from both SONET failures and ATM failures by means of an Intra-Ring Communication (IRC) protocol. The IRC protocol governs failure detection and the notification of the SONET nodes on the UPSR of the failure and any protection switch that may be necessary.

摘要翻译： 一种用于在同步光网络（SONET）单向路径交换环（UPSR）上强制实现和保护异步传输模式（ATM）业务的方法和装置。 传统的SONET桥接功能为ATM流量消除，有利于选择器功能。 选择器功能发生在ATM业务进入UPSR处，并通过UPSR上的虚拟路径将ATM业务定向到其目的地。 通过内部通信（IRC）协议，保护ATM业务免受SONET故障和ATM故障的影响。 IRC协议控制故障检测和UPSR上SONET节点的通知以及可能需要的任何保护开关。

公开(公告)号：US20020006128A1

公开(公告)日：2002-01-17

申请号：US09855730

申请日：2001-05-16

发明人： Eitan Yehuda ,  Idan Kaspit ,  Eyal Shaked

IPC分类号： H04J003/24

CPC分类号： H04J3/14 ,  H04J3/0623 ,  H04J2203/006 ,  H04J2203/0096

摘要： A method and a system for errorless switching, in a telecommunication network, from a basic data stream to a copy of the basic data stream obtained by bridging of the basic data stream at a first network node, being characterized in that the switching is performed at a second network node receiving both the basic data stream and the copy data stream, upon performing an operation of delay equalization between the basic data stream and the copy data stream.

摘要翻译： 一种用于在电信网络中从基本数据流到通过在第一网络节点处桥接基本数据流而获得的基本数据流的副本的无错切换的方法和系统，其特征在于，所述切换是在 在执行基本数据流和复制数据流之间的延迟均衡的操作时，接收基本数据流和复制数据流两者的第二网络节点。

公开(公告)号：US09253553B2

公开(公告)日：2016-02-02

申请号：US13714891

申请日：2012-12-14

申请人： FUJITSU LIMITED

发明人： Shigeo Tani ,  Takashi Umegaki

IPC分类号： H04Q11/00 ,  H04J3/08 ,  H04J3/16

CPC分类号： H04Q11/0003 ,  H04J3/085 ,  H04J3/1652 ,  H04J2203/006 ,  H04J2203/0096

摘要： A transmission apparatus includes: an assigning unit to assign a number to a group of concatenation information of leading and dependent data which are multicast or broadcast; a retrieval unit to retrieve the concatenation information of the leading data corresponding to the dependent data, the leading and dependent data having the same number; a regeneration unit to regenerate concatenation information of the dependent data in accordance with the concatenation information of the leading data; a storage unit to store switch information of the leading data, the switch information representing a switch which switches output destinations of the leading and dependent data; an information retrieval unit to refer to the storage unit in accordance with leading data information included in the concatenation information of the dependent data so as to retrieve switch information of the dependent data; and a switching unit to switch the output destination of the dependent data.

摘要翻译： 一种传输装置，包括：分配单元，用于将数字分配给组播或广播的前导和从属数据的级联信息组; 检索单元，用于检索与依赖数据相对应的前导数据的级联信息，所述前导和从属数据具有相同的编号; 再生单元，用于根据前导数据的级联信息再生依赖数据的级联信息; 存储单元，用于存储所述前导数据的切换信息，所述切换信息表示切换所述前导和从属数据的输出目的地的切换; 信息检索单元，根据包含在依赖数据的级联信息中的前导数据信息来参考存储单元，以检索依赖数据的切换信息; 以及用于切换依赖数据的输出目的地的切换单元。

公开(公告)号：US20130259484A1

公开(公告)日：2013-10-03

申请号：US13781959

申请日：2013-03-01

申请人： FUJITSU LIMITED

发明人： Hidetaka KAWAHARA ,  Junichi SUGIYAMA ,  Wataru ODASHIMA ,  Shota SHINOHARA ,  Hiroyuki HOMMA

IPC分类号： H04J14/08

CPC分类号： H04J14/08 ,  H04J3/1652 ,  H04J2203/0012 ,  H04J2203/0025 ,  H04J2203/0096

摘要： A data transmission device where a low-speed signal transmission frame is included in time slots of a high-speed signal transmission frame and a number of the time slots to include the low-speed signal transmission frame is variable, wherein the time slots have respective time slot numbers, includes a storage unit storing signal data of the high-speed signal transmission frame corresponding to the number of the time slots based on a time slot number basis, wherein the signal data of the high-speed signal transmission frame are supplied on the time slot number basis; and a selection and output unit selecting and sequentially outputting the signal data on the time slot number basis, wherein the signal data have been stored in accordance with the number of the time slots.

摘要翻译： 在高速信号传输帧的时隙中包括低速信号传输帧的数据传输设备和包括低速信号传输帧的时隙数量是可变的，其中时隙具有相应的 时隙号包括存储单元，其基于时隙数基准存储对应于时隙数量的高速信号传输帧的信号数据，其中提供高速信号传输帧的信号数据 时隙数基础; 以及选择和输出单元，以时隙号为基础选择并依次输出信号数据，其中根据时隙的数量已经存储了信号数据。