In the Stage of R4, ATM and IP become main medium of circuit switch instead of TDM, which make codec modes of core network more agility.
在R4阶段，ATM和IP承载渐渐取代TDM承载成为电路域的主要传播媒介，这两类传输媒介的引入使得核心网采用的编解码方式更加的灵活。
This paper presents Shanghai ATM broadband switch test network including network configuration, the basic equipment and application systems.
本文介绍了上海ATM宽带交换试验网的网络组成，组网的主要设备以及主要应用系统。
The main function is to find a connect path for new arriving unicast and multicast cells in the parallel Multistage Interconnect Network (MIN) of the ATM switch.
主要功能是为新到达的单播和多播信元在并行多级互连网(MIN)中寻找到一条能够成功建立连接的路径。
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