It is an urgency which every modern enterprises implementing NM is confronted with that how to enhance the share of equipment resource, how to implement the monitor and control and fault diagnosis, how to integrated the data net with control net.

• 如何使实施网络化制造的企业提高设备资源共享、实现对远程设备的监控和故障诊断、实现数据网络与控制网络的集成，是摆在每一个实施网络化制造的现代企业面前一个急需解决的问题。