一个622Mbps 8×8 ATM交换芯片组与共享多缓冲区架构

H. Kondoh, H. Notani, H. Yamanaka, K. Higashitani, H. Saito, I. Hayashi, S. Kohama, Y. Matsuda, K. Oshima, M. Nakaya
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引用次数: 3

摘要

描述了一种利用共享多缓冲区架构的ATM(异步传输模式)开关芯片组。在保持较高的缓冲区利用效率的同时,与传统的共享缓冲区型交换机相比,大大减少了所需的缓冲区访问时间。该特性使开关能够高速运行。4个对准lsi, 9个缓冲开关lsi和1个控制lsi构成了一个622Mbps 8×8 ATM开关系统,工作频率为78MHz。采用分时方式,可以同时交换622Mbps和155Mbps的信道。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A 622Mbps 8×8 ATM Switch Chip Set with Shared Multi-Buffer Architecture
An ATM (Asynchronous Transfer Mode) switch chip set utilizing the Shared Multi-Buffer architecture is described. While keeping the high buffer utilization efficiency, required access time for the buffer is greatly reduced compared with the conventional shared buffer type switches. This feature enables the high speed operation of the switch. Four Aligner-LSI's, bit sliced nine Buffer-Switch-LSI's and one Control-LSI construct a 622Mbps 8×8 ATM switch system operating at 78MHz. Using the time sharing method, 622Mbps and 155Mbps channels can be exchanged at a time.
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