It improves the process group management and inter process communication facilities, and puts forth a DSM (distributed shared memory) subsystem based on belief network, which is used to manipulate C++ global variables.

• 它完善了组管理机制和进程通信机制 ；提出了一个基于信度推理网络的分布共享内存( distributed shared memory；简称 DSM)机制以管理 C++公共变量 .