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    ATM switching system
    6.
    发明授权
    ATM switching system 失效
    ATM交换系统

    公开(公告)号：US6031838A

    公开(公告)日：2000-02-29

    申请号：US905647

    申请日：1997-08-04

    申请人： Kenichi Okabe ,  Junichi Kawaguchi ,  Hiroko Yoshino ,  Masakazu Sato ,  Hiroshi Ishiwata

    发明人： Kenichi Okabe ,  Junichi Kawaguchi ,  Hiroko Yoshino ,  Masakazu Sato ,  Hiroshi Ishiwata

    IPC分类号： H04Q3/00 ,  H04L12/713 ,  H04L12/813 ,  H04L12/879 ,  H04L12/947 ,  H04L12/951 ,  H04Q11/04 ,  H04L12/56

    CPC分类号： H04L49/309 ,  H04L49/30 ,  H04L49/3009 ,  H04Q11/0478 ,  H04L2012/5672 ,  H04L2012/5679 ,  H04L49/503

    摘要： An ATM switching system concentrates cell streams, which are output by respective ones of a plurality of line interfaces, by a concentrator, enters a resulting cell stream into an ATM switch unit, deconcentrates cells, which have been switched by the ATM switch unit, by a deconcentrator on a per line interface basis and sends the cells to lines. Each line interface converts a VPI/VCI included in the header of a cell that has entered from a line to an internal cell address having a number of bits smaller than the number of bits of the VPI/VCI. Each unit in the ATM switching system performs management of various data and controls cell switching based upon a converted cell address without relying upon the VPI/VCI. The line interface restores an internal cell address, which is included in the header of a cell that enters from the side of the ATM switch, to the VPI/VCI and sends the cell to a line.

    摘要翻译： ATM交换系统通过集中器集中由多个线路接口中的各个线路接口输出的信元流，将所得到的信元流输入ATM交换单元，对由ATM交换单元切换的信元进行分解，由 在每个线路接口基础上的分解器，并将单元格发送到线路。 每行线路接口将包含在从一行输入的单元的头部中的VPI / VCI转换成具有小于VPI / VCI的位数的位数的内部单元地址。 ATM交换系统中的每个单元执行各种数据的管理，并且基于转换的小区地址来控制小区切换，而不依赖于VPI / VCI。 线路接口将包含在从ATM交换机侧进入的小区的报头中的内部小区地址恢复到VPI / VCI，并将该小区发送到一条线路。