In peer-to-peer systems, the lack of dedicated links between constituent computers presents a major challenge. Discusses the problems of distributed database operation with reference to an example. Presents two statistical selection algorithms-one for the intranet with broadcast/multicast facilities, the other for Internet without…

Reports on a case study at an organization that created MADIC, an innovative approach to developing mobile applications developed by third party independent developer. Presents MMO2's, a conceptual wireless reference model used to define the various system constituents required to create effective mobile applications. (Author/AEF)

Describes a prototype information access system developed by NASA (National Aeronautics and Space Administration) called NAM (NASA Access Mechanism) to access the Internet for research and development activities. Topics addressed include the Science and Technical Information Program, information needs, networking requirements, functional and…