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    • 2. 发明授权
    • Protocol processing apparatus for use in interfacing network connected
computer systems utilizing separate paths for control information and
data transfer
    • 协议处理装置,用于使用分离的路径来连接网络连接的计算机系统,用于控制信息和数据传输
    • US5303344A
    • 1994-04-12
    • US659705
    • 1991-02-25
    • Tatsuya YokoyamaSusumu MatsuiMatsuaki TeradaTetsuhiko HirataMika Mizutani
    • Tatsuya YokoyamaSusumu MatsuiMatsuaki TeradaTetsuhiko HirataMika Mizutani
    • H04L29/06G06F3/00G06F15/16
    • H04L29/06H04L69/22
    • A communication control equipment connected between a computer and a network so as to perform protocol processing at a high speed, has a buffer memory connected between a computer interface circuit and a network interface circuit through a first path for data transfer, so as to temporarily store communication data, and a protocol processor connected between the computer interface circuit and the network interface circuit through a second path for control information transfer. The protocol processor is also connected to the buffer memory through a third path so as to effect protocol processing on the communication data within the buffer memory. The protocol processor includes a plurality of processor units connected in series in the second path so as to respond to control information received from the second path to make access to the buffer memory through the third path and to execute a first category of protocol processing necessary in normal data transfer on the communication data stored in the buffer memory. If protocol processing other than the first category of protocol processing on the communication data is necessary, the processor units supply the control information to the third path. The protocol processing also includes a second processor which operates as a backend processor for the processor units and which is connected to the third path so as to respond to the control information received from the third path to execute protocol processing other than the first category of protocol processing on the communication data stored in the buffer memory.
    • 连接在计算机和网络之间以便以高速执行协议处理的通信控制设备通过用于数据传送的第一路径在计算机接口电路和网络接口电路之间连接有缓冲存储器,以便临时存储 通信数据和通过用于控制信息传送的第二路径连接在计算机接口电路和网络接口电路之间的协议处理器。 协议处理器还通过第三路径连接到缓冲存储器,以便对缓冲存储器内的通信数据进行协议处理。 协议处理器包括在第二路径中串联连接的多个处理器单元,以响应从第二路径接收到的控制信息,以通过第三路径访问缓冲存储器,并执行第一类协议处理 对存储在缓冲存储器中的通信数据进行正常数据传输。 如果需要除通信数据上的第一类协议处理之外的协议处理,则处理器单元将控制信息提供给第三路径。 协议处理还包括第二处理器,其作为用于处理器单元的后端处理器并且连接到第三路径,以响应从第三路径接收到的控制信息来执行不同于第一类协议的协议处理 对存储在缓冲存储器中的通信数据进行处理。
    • 10. 发明授权
    • Bridge apparatus with an address check circuit for interconnecting
networks
    • 具有用于互连网络的地址检查电路的桥接设备
    • US5247620A
    • 1993-09-21
    • US554872
    • 1990-07-20
    • Junji FukuzawaAkira WatanabeMatsuaki TeradaSadao Mizokawa
    • Junji FukuzawaAkira WatanabeMatsuaki TeradaSadao Mizokawa
    • H04L12/46
    • H04L12/4625H04L45/745H04L45/7453
    • A bridge apparatus for interconnecting networks in which at least two networks including a plurality of stations are connected, and which, when a transmission frame including an identifier of one station and an identifier of another station of a destination is received from the one station, forwards the transmission frame to a network to which the another station belongs based on the identifier of another station. A processor of the bridge apparatus for interconnecting networks performs delivery control of the transmission frame using an information which has been read out of an address check circuit for identifying the network to which the another station belongs with the identifier of the another station which is included in the transmission frame. The address check circuit comprises at least one hash memory in which hash computation results of respective addresses have been stored at respective address positions, and an address memory for storing a plurality of address informations showing a corresponding relationship between identifiers of respective stations and identifiers of respective networks at respective address positions.
    • 一种用于互连网络的桥接装置,其中连接包括多个站的至少两个网络,并且当从一个站接收到包括一个站的标识符和目的地的另一站的标识符的传输帧时, 基于另一站的标识符将传输帧传送到另一站所属的网络。 用于互联网络的桥接装置的处理器使用从地址检查电路中读出的信息来执行传输帧的传送控制,该信息用于识别另一个站所属的网络与包含在其中的另一个站点的标识符 传输帧。 地址检查电路包括至少一个散列存储器,其中相应地址的散列计算结果已被存储在相应的地址位置,以及地址存储器,用于存储多个地址信息,该地址信息表示各个站的标识符和相应的标识符之间的对应关系 网络在相应的地址位置。