Refer to the SNMP and ICMP,presentd a new method of automatic Internet topology discoved under DNMAI(Distributed Network Measurement and Analysis Infrastructure),which offers a dynamic configuration interface to users.

Key techniques are studies on database system, network architecture and security, compatibility and model system.

By adopting B /S network framework model and self-developed professional module which is based on COM technology,we can improve geologging information releasing quality and actual effectiveness,achieving remote accessing of both geologging.

The target of network establishment and the design principle of the project are introduced; the network framework is described, its main f.

network framework(software and hardware), security policy established by the network administrator, and web re-sources accessible to the unauthorized users.

Study on the digital forestry network frame and extension technique in Fujian;

A kind of intelligent industrial monitoring network frame based on new generation network middleware-UPnP(Universal Plug and Play) had been put forward based on lots of investigations and analyses of industrial monitoring technology at home and abroad.