Finally the architecture used in the ring network which connects two VAX 11-750 machines is given in brief. The high layer network software is adapted from UNIX Bsd 4.2 operating system.

• 最后简单地介绍了通过UNIX BSd 4.；2版操作系统提供的网络高层软件；用本适 配器连接VAX 11/750构成一个环网的体系结构。