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    • 5. 发明授权
    • Method for quick identification of special data packets
    • 快速识别特殊数据包的方法
    • US07180851B1
    • 2007-02-20
    • US09320200
    • 1999-06-24
    • Glenn R EngelGlen L. Purdy, Jr.
    • Glenn R EngelGlen L. Purdy, Jr.
    • H04J1/16
    • H04L1/00H04L29/06H04L69/22H04L69/324
    • In packetized data communication, certain special data packets must be identified quickly without the variable overhead of processing through the data protocol stack. A common example of such packets is those used for triggering events: immediate action must be taken on their arrival. This disclosure concerns a method for identifying such packets through the use of the error checking codes which are usually included in packet transmission protocols. By adding appropriate bits to a special data packet before transmission, the error checking code can be forced to a specific, predetermined sequence which will be recognized by error checking hardware at a receiver. If the specific sequence is all ones (or all zeros), the recognition hardware can be simplified.
    • 在打包数据通信中,必须快速识别某些特殊数据包,而无需通过数据协议栈进行处理的可变开销。 这些数据包的一个常见例子是用于触发事件的信息:在到达时必须立即采取行动。 本公开涉及通过使用通常包括在分组传输协议中的错误检查码来识别这样的分组的方法。 通过在传输之前向特殊数据包添加适当的位,可以将错误检查码强制为特定的预定序列,这将由接收器上的错误检查硬件识别。 如果特定序列是全部(或全部为零),则可以简化识别硬件。
    • 6. 发明授权
    • Multicasting employing publication title to create numeric destination
address for computer network system frame
    • 组播使用出版物标题为计算机网络系统框架创建数字目的地址
    • US5903562A
    • 1999-05-11
    • US766845
    • 1996-12-13
    • Glenn R. EngelHarry G. Plate
    • Glenn R. EngelHarry G. Plate
    • G06F15/16G06F13/00G06F15/177H04L12/18H04L12/28H04L12/413H04L29/12H04L12/00
    • H04L61/2069H04L12/1886H04L29/12292H04L29/1232H04L29/12801H04L61/2092H04L61/6004
    • A computer based network system includes a first node having a data value, medium for transmitting a network frame, and first and second node computers coupled to the medium. The first node computer is programmed to generate a numeric address based on at least a portion of a publication title, to load the data value and publication title into a data field of the network frame, to load the numeric address into a destination address field of the network frame, and to send the network frame on to the destination address via the medium. The second node computer is programmed to have the publication title associated with the data value, to generate the numeric address based on at least a portion of the publication title, to receive from the medium the network frame with this numeric address, to evaluate the received frame to determine whether the publication title used to generate the numeric address is in the data field of the network frame, to remove the data value from the data field of the network frame when the publication title used to generate the numeric address is in the data field, and to discard the network frame when the data field of the network frame lacks the publication title used to generate the numeric address. A computer-readable medium including a computer software program having a set of executable modules for transmitting data on a network via a network frame is also disclosed A computer based networking method is further disclosed.
    • 基于计算机的网络系统包括具有数据值的第一节点,用于发送网络帧的介质以及耦合到介质的第一和第二节点计算机。 第一节点计算机被编程为基于出版物标题的至少一部分生成数字地址,以将数据值和出版物标题加载到网络帧的数据字段中,以将数字地址加载到目的地址字段 网络帧,并通过介质将网络帧发送到目的地址。 第二节点计算机被编程为具有与数据值相关联的发布标题,以便基于发布标题的至少一部分生成数字地址,以从该介质接收具有该数字地址的网络帧,以评估所接收的 以确定用于生成数字地址的出版物标题是否在网络帧的数据字段中,当用于生成数字地址的出版物标题在数据中时,从网络帧的数据字段中删除数据值 字段,并且当网络帧的数据字段缺少用于生成数字地址的发布标题时丢弃网络帧。 还公开了一种包括具有用于经由网络帧在网络上传送数据的一组可执行模块的计算机软件程序的计算机可读介质。还公开了一种基于计算机的联网方法。