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    • 4. 发明授权
    • Communication control apparatus
    • 通讯控制装置
    • US07099335B2
    • 2006-08-29
    • US10074042
    • 2002-02-14
    • Takashi Namura
    • Takashi Namura
    • H04L12/48
    • H04L49/9094H04L12/5601H04L49/90H04L49/901H04L49/9042
    • A communication control apparatus which effectively uses a memory and does not need complicated hardware is realized. Each area of a frame assembly memory 2 is set to the maximum frame length which is handled. When a cell of a new connection is inputted, a memory write control unit (1) allocates the connection to an empty area in the memory (2) and writes the cell therein. When the cell of the same connection as that already allocated to any area is inputted, it is written into the allocated area. If a plurality of cells of one frame have already been written in the area of the same connection, the connection is allocated to another new area and the cell is written therein. A memory read control unit (3) reads out the cells of one frame and outputs them as one completed-frame data.
    • 实现了有效地使用存储器并且不需要复杂的硬件的通信控制装置。 帧组合存储器2的每个区域被设置为被处理的最大帧长度。 当输入新连接的单元时,存储器写入控制单元(1)将连接分配给存储器(2)中的空白区域,并将单元写入其中。 当输入与已分配给任何区域的连接相同的单元时,将其写入分配区域。 如果已经在同一连接的区域中写入了一帧的多个单元,则将该连接分配给另一个新区域,并且单元被写入其中。 存储器读取控制单元(3)读出一帧的单元并将其作为一个完整帧数据输出。
    • 8. 发明授权
    • Shared buffer memory type ATM communication system and method with a
broadcast facility
    • 共享缓冲存储器类型ATM通信系统和方法与广播设施
    • US5394397A
    • 1995-02-28
    • US38615
    • 1993-03-29
    • Junichirou YanagiYoshihiro AshiTakahiko KozakiAkihiko TakaseTakashi Nakashima
    • Junichirou YanagiYoshihiro AshiTakahiko KozakiAkihiko TakaseTakashi Nakashima
    • H04M3/42H04L12/18H04L12/761H04L12/931H04L12/951H04Q3/52H04Q11/04H04L12/56H04J3/26H04L12/48
    • H04L12/5601H04L49/108H04L49/203H04L49/309
    • An ATM switching system which includes an input interface which is provided every incoming line and serves to convert header information of each input cell into internal routing information, a shared buffer memory and a cell writing control unit which forms normal cell list structures, which are prepared in correspondence to outgoing lines and in which a plurality of normal cells are chained together with their next addresses, and a broadcast cell list structure, in which a plurality of broadcast cells are chained together with their next addresses, in the shared buffer memory, and serves to add successively the input cells to ones of the list structures, which are selected in correspondence to respective internal routing information. The invention also includes a cell reading control unit which serves to fetch selectively the cell from the list structures formed in the shared buffer memory to distribute the cell thus fetched to the associated outgoing lines. The cell reading control unit includes a broadcast destination table for "storing broadcast destination specifying information for specifying the outgoing lines, through which the broadcast cell is to be output, using a bit pattern, in correspondence to the internal routing information of the broadcast cell".
    • 一种ATM交换系统,其包括为每条输入线路提供的输入接口,用于将每个输入单元的头信息转换为内部路由信息,共享缓冲存储器和形成正常小区列表结构的小区写入控制单元,其被准备 对应于输出线,并且其中多个正常小区与其下一个地址一起链接在一起,以及广播小区列表结构,其中多个广播小区与其下一个地址一起连接在共享缓冲存储器中,以及 用于将输入单元连续地添加到与各个内部路由信息相对应地选择的列表结构中的一个。 本发明还包括一个单元读取控制单元,用于从形成在共享缓冲存储器中的列表结构中选择性地提取单元,以将由此提取的单元分配到相关联的输出行。 小区读取控制单元包括:广播目的地表,用于根据广播小区的内部路由信息,使用位模式存储用于指定要输出广播小区的出行的广播目的地指定信息; 。