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    • 79. 发明授权
    • Method and apparatus for programmable filtration and generation of
information in packetized communication systems
    • 用于可编程过滤和在分组通信系统中生成信息的方法和装置
    • US5761424A
    • 1998-06-02
    • US580955
    • 1995-12-29
    • John M. AdamsTimothy E. HoglundStephen M. JohnsonMark A. ReberDavid M. Weber
    • John M. AdamsTimothy E. HoglundStephen M. JohnsonMark A. ReberDavid M. Weber
    • H04L12/56G06F15/17H04L29/06G06F15/16
    • H04L29/06G06F15/17
    • A method and associated apparatus for automating the filtration and generation of information in a packetized communication system. A filtration table includes entries used in recognizing a valid packet received at a node in a communication system. A mask field in each entry is applied to appropriate fields in the packet (e.g. the ordered set as applied to Fibre Channel communication systems) to determine the validity of the packet with regard to the receiving node. Rules in a field of each entry further qualify the recognition of a received packet (e.g. ordered set) by testing the reception of the packet against other logical rules. Action fields in each record permit definition of actions to be invoked automatically (e.g. automatic adjustment of fill transmissions in Fibre Channel applications) in response to receipt and recognition of a particular packet. The set of packets recognized by the receiving node may be modified by adding, deleting, or modifying the entries in the filtration table. The programmable filtration thereby permits simple modifications to the protocol supported by the receiving node. Programmable generation capabilities of the present invention permit rapid integration of additional packets (e.g. ordered sets) transmitted in response to perceived packets in the receiving node. Programmable parameters in the receiving node permit automatic generation and transmission of packets in accordance with the parameter settings at the time of packet transmission.
    • 一种用于在分组化通信系统中自动化过滤和生成信息的方法和相关联的装置。 过滤表包括用于识别在通信系统中的节点处接收的有效分组的条目。 每个条目中的掩码字段被应用于分组中的适当字段(例如应用于光纤通道通信系统的有序集合),以确定分组关于接收节点的有效性。 通过根据其他逻辑规则测试分组的接收,每个条目的字段中的规则进一步限定了对接收到的分组(例如,有序集合)的识别。 每个记录中的动作字段允许响应于对特定分组的接收和识别而自动调用的动作的定义(例如,在光纤通道应用中自动调整填充传输)。 可以通过添加,删除或修改过滤表中的条目来修改由接收节点识别的分组集合。 可编程过滤因此允许对接收节点支持的协议的简单修改。 本发明的可编程生成能力允许快速集成响应于接收节点中的感知分组而发送的附加分组(例如有序集合)。 接收节点中的可编程参数允许根据分组传输时的参数设置自动生成和传输分组。