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1. 发明授权

US07889658B1 Method of and system for transferring overhead data over a serial interface 有权
标题翻译：通过串行接口传输开销数据的方法和系统
公开(公告)号：US07889658B1
公开(公告)日：2011-02-15
申请号：US11096210
申请日：2005-03-30
申请人： James R. Bauder , Khoi D. Vu , Kevin S. Fatherree , Siddharth Khattar , Erik R. Swenson , Kathleen E. Cimino
发明人： James R. Bauder , Khoi D. Vu , Kevin S. Fatherree , Siddharth Khattar , Erik R. Swenson , Kathleen E. Cimino
IPC分类号： G08C15/00
CPC分类号： H04L47/263 , H04L45/245 , H04L47/35
摘要： A method of and system for transferring overhead data from a sender to a receiver over a serial interface is provided. The overhead data is transferred over one or more data lines of the interface during one or more time periods in which excess bandwidth is available on the one or more data lines or while the transfer of the overhead data does not substantially impede the throughput of the payload transfer.
摘要翻译：提供了一种通过串行接口将开销数据从发送器传送到接收器的方法和系统。开销数据在一个或多个时间段内在接口的一个或多个数据线路上传送，在一个或多个时间段内，一个或多个数据线上可获得超额带宽，或者开销数据的传输基本上不妨碍有效载荷的吞吐量转让。

2. 发明授权

US6023471A Network interconnect device and protocol for communicating data among packet forwarding devices 失效
标题翻译：用于在分组转发设备之间传送数据的网络互连设备和协议
公开(公告)号：US6023471A
公开(公告)日：2000-02-08
申请号：US32306
申请日：1998-02-27
申请人： Stephen R. Haddock , Herb Schneider , Curt Berg , Daniel J. Cimino , Siddharth Khattar , Matthew T. Knudstrup , Mark Thomas Lytwyn , Aaron C. Tyler , Michael Yip
发明人： Stephen R. Haddock , Herb Schneider , Curt Berg , Daniel J. Cimino , Siddharth Khattar , Matthew T. Knudstrup , Mark Thomas Lytwyn , Aaron C. Tyler , Michael Yip
IPC分类号： H04L12/46 , H04L12/56
CPC分类号： H04L12/5601 , H04L49/351 , H04L12/46 , H04L49/101 , H04L49/254
摘要： A network interconnect device and message exchange protocol for forwarding data among packet forwarding devices are provided. According to one aspect of the present invention, data is forwarded between a first and second packet forwarding device coupled to an interconnect device. The interconnect device receives a menu message from the first packet forwarding device that indicates one or more types of data that are awaiting transmission on the first packet forwarding device. Based upon the menu message, the interconnect device transmits an order message selecting a type of data of the one or more types of data awaiting transmission to the first packet forwarding device. The interconnect device receives a message from the first packet forwarding device containing data of the type selected by the order message. The interconnect device then forwards the data to the second packet forwarding device. According to another aspect of the present invention, data is forwarded among multiple packet forwarding devices through an interconnect device by selecting a configuration of the interconnect device based upon ports to which the packet forwarding devices have data to transfer. For each of the ports of the interconnect device, an indication of ports to which an attached packet forwarding device has data to transfer is received. Based upon these port indications, a configuration of the interconnect device is selected that contains non-conflicting paths through the interconnect device. Data is then forwarded in accordance with the selected configuration by forwarding data from those of the of packet forwarding devices coupled to ports that have been selected as source ports to corresponding destination ports.
摘要翻译：提供了一种用于在分组转发设备之间转发数据的网络互连设备和消息交换协议。根据本发明的一个方面，数据在耦合到互连设备的第一和第二分组转发设备之间转发。互连设备从第一分组转发设备接收指示在第一分组转发设备上等待传输的一种或多种类型的数据的菜单消息。基于菜单消息，互连设备向第一分组转发设备发送选择要等待发送的一种或多种类型的数据的数据类型的订单消息。互连设备从第一分组转发设备接收包含由订单消息选择的类型的数据的消息。然后，互连设备将数据转发到第二分组转发设备。根据本发明的另一方面，通过互连设备，通过基于分组转发设备具有要传送的数据的端口选择互连设备的配置来在多个分组转发设备之间转发数据。对于互连设备的每个端口，接收附加的分组转发设备具有要传送的数据的端口的指示。基于这些端口指示，选择互连设备的配置，其包含穿过互连设备的非冲突路径。然后根据所选择的配置，通过将耦合到已经被选择为源端口的端口的分组转发设备的数据转发到对应的目的地端口来转发数据。

3. 发明授权

US5974467A Protocol for communicating data between packet forwarding devices via an intermediate network interconnect device 失效
标题翻译：经由中间网络互连设备在分组转发设备之间传送数据的协议
公开(公告)号：US5974467A
公开(公告)日：1999-10-26
申请号：US32803
申请日：1998-02-27
申请人： Stephen R. Haddock , Herb Schneider , Daniel J. Cimino , Siddharth Khattar , Matthew T. Knudstrup , Aaron C. Tyler
发明人： Stephen R. Haddock , Herb Schneider , Daniel J. Cimino , Siddharth Khattar , Matthew T. Knudstrup , Aaron C. Tyler
IPC分类号： H04L12/46 , H04L12/56 , G06F13/14 , H04L12/28
CPC分类号： H04L12/46
摘要： A message exchange protocol for interconnecting packet forwarding devices through an intermediate network interconnect device is provided. According to one aspect of the present invention, a method is provided for communicating data between packet forwarding devices. The presence of an interconnect device that is coupled between a first packet forwarding device and a second packet forwarding device is detected by recognizing a configuration sequence, for example. After the link between the interconnect device and the first packet forwarding device is established, the first packet forwarding device receives a command from the interconnect device requesting the types of data that are pending on the first packet forwarding device. Responsive to the command, the first packet forwarding device transmits a "menu" including information indicating the availability of one or more types of data that are awaiting transmission to the interconnect device. An "order" is received by the first packet forwarding device from the interconnect device. The order includes information identifying a type of data being requested by the interconnect device. Responsive to the order, the first packet forwarding device transmits a message which contains data of the type identified by the order to the interconnect device.
摘要翻译：提供了一种用于通过中间网络互连设备互连分组转发设备的消息交换协议。根据本发明的一个方面，提供一种用于在分组转发设备之间传送数据的方法。例如，通过识别配置顺序来检测耦合在第一分组转发设备和第二分组转发设备之间的互连设备的存在。在互连设备和第一分组转发设备之间的链路建立之后，第一分组转发设备从互连设备接收请求在第一分组转发设备上待处理的数据类型的命令。响应于该命令，第一分组转发设备发送包括指示等待传输到互连设备的一种或多种类型的数据的可用性的信息的“菜单”。第一分组转发设备从互连设备接收“订单”。该顺序包括识别由互连设备请求的数据类型的信息。响应于该顺序，第一分组转发设备将包含由该订单识别的类型的数据的消息发送到互连设备。

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