Providing network solutions using a distributed network architecture, namely, monitoring the computer systems of others and providing back-up computer programs and facilities, including network backup, redundant serving, fail-over serving, and system migration; and general data serving, namely hosting the web sites of others; providing solutions, namely application service provider services that use the distributed network architecture for hosting and serving software applications of others over the network; caching and data delivery services for global computer network content, applications, and data, namely caching web pages for others in order to speed up access to information that has already been retrieved by a previous user; data administration and maintenance services, including those which feature use of version filters; providing temporary use of non-downloadable data utilities software for the maintenance and administration of data through facilitated network gateways; file sharing solutions and file systems solutions, namely file server services in the nature of an online high-speed computer in a network that stores the programs and data files shared by users; system recovery solutions, namely monitoring the computer systems of others and providing back-up computer programs and facilities