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采用传统的方式建立企业内部专网,往往需要租用跨地区数字专线,费用高昂,且各地矿井数量众多,如果企业直接通过公网开放IP、端口上传数据,对中心的局域网来说,安全性难以保证。但是通过借助于公众信息网络搭建ipsec vpn网络可以很好地解决这个问题。
It is very expensive to set up a private network in the traditional way to rent an intra-area private network. If the enterprises directly open the IP and the port to upload data through the public network, it is difficult for the central local area network Guarantee. However, this problem can be solved well by building an ipsec vpn network with the help of public information networks.