Introduction: This chapter first introduces the basic knowledge of computer networks, including definitions, topologies, classifications, network protocols, etc., and then introduces the Internet and the current popular WWW and HTML languages.
The second section describes the network-based distribution calculation and the specific implementation of the geographic information system in the distributed computing environment.
The third section mainly introduces the release of spatial data on the Web, that is, several technical solutions for implementing WebGIS, and compares them.