能源行业是国民经济的基础产业,是关系到国计民生的大事。近年来,我国能源工业也在不断发展壮大,能源信息化建设已初具规模,能源行业广域网的建设已日趋成熟。在此基础上,能源企业对信息安全的需求日益增强。但是由于地域上的距离和网络发展的不平衡性,网络之间缺少互连互通,形 Energy industry is the basic industry of the national economy, is related to the national economy and the people’s livelihood. In recent years, China’s energy industry is also continuously developing and expanding. The construction of energy informationization has begun to take shape. The construction of the WAN in the energy industry has become increasingly mature. On this basis, the demand for information security by energy companies is increasing day by day. However, due to the geographical distance and network development imbalance, the lack of interconnection between networks, shaped