Summary： Data communication and sharing of five level network of Public Health Information System, i.e. nation, province, district （city）, county, and town, as far as to the countryside level were described, and ho...Summary： Data communication and sharing of five level network of Public Health Information System, i.e. nation, province, district （city）, county, and town, as far as to the countryside level were described, and how to apply the three solutions, i.e. Access VPN, Intranet VPN, and Extranet VPN of VPN technique to achieve the appropriation of the public network was also presented.展开更多
文摘Summary： Data communication and sharing of five level network of Public Health Information System, i.e. nation, province, district （city）, county, and town, as far as to the countryside level were described, and how to apply the three solutions, i.e. Access VPN, Intranet VPN, and Extranet VPN of VPN technique to achieve the appropriation of the public network was also presented.
