With the increasing importance of the power enterprise in the national economy and social life, along with the information network services becoming more abundant, the network itself closeness and operation mechanism also have been affected. 由于电力企业在国民经济和社会生活中的重要地位,加之电力信息网业务形式越来越丰富,网络自身的封闭性和运行机制也受到影响。