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全球信息栅格(GIG)是美军正在建设的重要基础设施,其重要的功能就是实现各个军兵种的互联互通。GIG3.0中提出了作战网络域的概念,明确采用VPN隔离技术实现不同安全等级网络的互联。首先介绍了GIG不同版本间的演进关系,进而给出了GIG3.0的变化,包括网电联合作战区域和作战网络域的提出,重点阐述了OND与DISN的连接关系,以及OND的网络构成,最后列举了支撑OND的四种关键VPN技术。
Global Information Grid (GIG) is an important infrastructure under construction for the U.S. military. Its important function is to achieve interoperability among all arms and services. GIG3.0 proposed the concept of combat network domain, clearly using VPN isolation technology to achieve different levels of security network interconnection. Firstly, the evolutionary relationship between different versions of GIG is introduced, and then the changes of GIG3.0 are given, including the proposed joint operation area and operational network area. The focus is on the connection between OND and DISN, the network structure of OND, Finally listed four key VPN technologies that support OND.