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1. 发明授权

US5864555A Method and apparatus for generating a proxy connection endpoint for operation administration and management (OAM) asynchronous transfer mode (ATM) cells 失效
标题翻译：用于生成用于操作管理和管理（OAM）异步传输模式（ATM）信元的代理连接端点的方法和装置
公开(公告)号：US5864555A
公开(公告)日：1999-01-26
申请号：US675955
申请日：1996-07-05
申请人： Deepak Mathur , David X. Chen , L. David Danenberg
发明人： Deepak Mathur , David X. Chen , L. David Danenberg
IPC分类号： H04L12/56 , H04Q11/04 , H04J3/14
CPC分类号： H04Q11/0478 , H04L2012/5625
摘要： Methods and apparatus are provided for handling asynchronous transfer mode (ATM) cells sent from first user equipment through a plurality of ATM nodes and destined for second equipment, when the second equipment does not support ATM operations and maintenance (OAM) functionality. In particular, an ATM node connected to the second equipment is configured as an OAM proxy connection end-point for the second equipment such that ATM data cells which are destined for the second equipment are sent in a usual fashion, but ATM OAM cells destined for the second equipment are terminated and acted upon by the ATM node and are not forwarded to the second equipment. The proxy connection end-point functionality is preferably obtained by providing a user-friendly management information database (MIB) which stores configuration information for the ATM node. The configuration information is used by a management processor of the node for deciding when an incoming OAM cell intended for the second equipment is to be terminated by the ATM node.
摘要翻译：当第二设备不支持ATM操作和维护（OAM）功能时，提供了用于处理从第一用户设备通过多个ATM节点发送并发往第二设备的异步传输模式（ATM）小区的方法和装置。特别地，连接到第二设备的ATM节点被配置为用于第二设备的OAM代理连接端点，使得以通常方式发送去往第二设备的ATM数据单元，但是发往ATM OAM单元第二台设备由ATM节点终止并执行，不转发给第二台设备。代理连接端点功能优选地通过提供一种用于存储ATM节点的配置信息的用户友好的管理信息数据库（MIB）来获得。所述配置信息由所述节点的管理处理器用于决定何时由所述ATM节点终止所述用于所述第二设备的入局OAM小区。

2. 发明授权

US5659540A Apparatus and method for detection of operation administration and management (OAM) cell loopback and physical loopbacks in an asynchronous transfer mode (ATM) network 失效
标题翻译：用于在异步传输模式（ATM）网络中检测操作管理和管理（OAM）小区环回和物理环回的装置和方法
公开(公告)号：US5659540A
公开(公告)日：1997-08-19
申请号：US573244
申请日：1995-12-15
申请人： David X. Chen , Deepak Mathur , L. David Danenberg
发明人： David X. Chen , Deepak Mathur , L. David Danenberg
IPC分类号： H04J3/14
CPC分类号： H04J3/14
摘要： A method for identifying and declaring a physical loopback condition upon running an OAM loopback test is provided. The method modifies ITU-T Recommendation I.610. According to the method, an OAM loopback test cell is generated with a correlation tag and a loopback indication value representing an outbound (forward) test cell, with the correlation tag being stored. Upon receiving back an OAM loopback test cell, the value of the loopback indication is determined, and the correlation tag of the incoming OAM loopback test cell is compared with the stored correlation tag. If the correlation tags match and the value of the loopback indication represents a forward test cell, a physical loopback condition is declared. On the other hand, if the correlation tags match and the value of the loopback indication represents a backward test cell, a successful OAM loopback condition is declared. An apparatus including a memory, a management processor, and a header processor for implementing the method of the invention is also disclosed.
摘要翻译：提供了一种在运行OAM环回测试时识别和声明物理环回条件的方法。该方法修改了ITU-T I.610建议书。根据该方法，生成具有表示出站（前进）测试小区的相关标签和环回指示值的OAM环回测试小区，存储相关标签。在接收到OAM环回测试单元后，确定环回指示值，并将输入的OAM环回测试单元的相关标签与存储的相关标签进行比较。如果相关标签匹配，并且环回指示的值表示正向测试单元，则声明物理环回条件。另一方面，如果相关标签匹配，并且环回指示的值表示反向测试单元，则声明成功的OAM环回条件。还公开了一种包括用于实现本发明的方法的存储器，管理处理器和头处理器的装置。

3. 发明授权

US6113652A Communications network equipment capable of non-disruptive software upgrade 失效
标题翻译：通信网络设备能够进行无中断的软件升级
公开(公告)号：US6113652A
公开(公告)日：2000-09-05
申请号：US272729
申请日：1998-02-12
申请人： John L. Lysik , L. David Danenberg , James C. Chagnon
发明人： John L. Lysik , L. David Danenberg , James C. Chagnon
IPC分类号： G06F9/445 , G06F11/14 , H04L12/56 , H04L29/06 , H04M3/22 , H04M7/12 , H04Q3/00
CPC分类号： H04L45/563 , G06F11/1433 , G06F8/67 , H04L29/06 , H04M3/2254 , H04Q3/002 , H04M2207/20 , H04M7/12 , H04Q2213/1305 , H04Q2213/13103 , H04Q2213/13104 , H04Q2213/13107 , H04Q2213/13109 , H04Q2213/1316 , H04Q2213/13166 , H04Q2213/13376 , H04Q2213/1338
摘要： In accord with the objects of the invention, methods and apparatus for controlling communications network equipment are provided. The apparatus is used in a telecommunications network having a plurality of coupled nodes and a network controller coupled to at least one of those nodes, and generally comprises a node apparatus having a backplane and a plurality of functional cards coupled to the backplane. Each of the functional cards has a processor and memory for storing software which is used by the processor. One of the functional cards has memory for storing a current running version of software for each of the other of the plurality of functional cards, and a receiver and memory for storing in background incoming updated versions of software for the plurality of functional cards. The updated versions of software are provided in the overhead portion of the telecommunications signal frame, thereby being non-disruptive to the system. Upon command of the network controller, the updated versions of software are provided in foreground by the functional card having the receiver to the respective software memories of the other cards, thereby causing the other cards to run the updated versions of the software. The updating occurs simultaneously in all nodes.
摘要翻译：根据本发明的目的，提供了用于控制通信网络设备的方法和装置。该装置用于具有耦合到这些节点中的至少一个的多个耦合节点和网络控制器的电信网络中，并且通常包括具有耦合到该背板的背板和多个功能卡的节点装置。每个功能卡具有处理器和用于存储由处理器使用的软件的存储器。功能卡中的一个具有用于存储多个功能卡中的每一个的每个的当前运行版本的软件的存储器，以及用于在背景中存储用于多个功能卡的软件的传入更新版本的接收器和存储器。软件的更新版本被提供在电信信号帧的开销部分中，从而不受系统干扰。根据网络控制器的命令，通过具有接收器的功能卡在前台提供软件的更新版本到其他卡的相应软件存储器，从而使其他卡运行软件的更新版本。更新在所有节点中同时发生。

4. 发明授权

US5754785A Communications network equipment 失效
标题翻译：通信网络设备
公开(公告)号：US5754785A
公开(公告)日：1998-05-19
申请号：US430210
申请日：1995-04-27
申请人： John L. Lysik , L. David Danenberg , James C. Chagnon
发明人： John L. Lysik , L. David Danenberg , James C. Chagnon
IPC分类号： G06F9/445 , G06F11/14 , H04L12/56 , H04L29/06 , H04M3/22 , H04M7/12 , H04Q3/00 , G06F15/16
CPC分类号： H04L45/563 , G06F11/1433 , G06F8/67 , H04L29/06 , H04M3/2254 , H04Q3/002 , H04M2207/20 , H04M7/12 , H04Q2213/1305 , H04Q2213/13103 , H04Q2213/13104 , H04Q2213/13107 , H04Q2213/13109 , H04Q2213/1316 , H04Q2213/13166 , H04Q2213/13376 , H04Q2213/1338
摘要： In accord with the objects of the invention, methods and apparatus for controlling communications network equipment are provided. The apparatus is used in a telecommunications network having a plurality of coupled nodes and a network controller coupled to at least one of those nodes, and generally comprises a node apparatus having a backplane and a plurality of functional cards coupled to the backplane. Each of the functional cards has a processor and memory for storing software which is used by the processor. One of the functional cards has memory for storing a current running version of software for each of the other of the plurality of functional cards, and a receiver and memory for storing in background incoming updated versions of software for the plurality of functional cards. The updated versions of software are provided in the overhead portion of the telecommunications signal frame, thereby being non-disruptive to the system. Upon command of the network controller, the updated versions of software are provided in foreground by the functional card having the receiver to the respective software memories of the other cards, thereby causing the other cards to run the updated versions of the software. The updating occurs simultaneously in all nodes.
摘要翻译：根据本发明的目的，提供了用于控制通信网络设备的方法和装置。该装置用于具有耦合到这些节点中的至少一个的多个耦合节点和网络控制器的电信网络中，并且通常包括具有耦合到该背板的背板和多个功能卡的节点装置。每个功能卡具有处理器和用于存储由处理器使用的软件的存储器。功能卡中的一个具有用于存储多个功能卡中的每一个的每个的当前运行版本的软件的存储器，以及用于在背景中存储用于多个功能卡的软件的传入更新版本的接收器和存储器。软件的更新版本被提供在电信信号帧的开销部分中，从而不受系统干扰。根据网络控制器的命令，通过具有接收器的功能卡在前台提供软件的更新版本到其他卡的相应软件存储器，从而使其他卡运行软件的更新版本。更新在所有节点中同时发生。

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