Discusses the importance of the response time of an online public catalog and its capacity to support multiple users without system degradation; outlines general requirements of an online catalog; explains the difference between menu and command systems; defines response time; and suggests ways of testing an online system accurately. (EM)

Representatives of six vendors of online library systems address key issues related to system performance: designing, configuring and sizing systems; establishing performance criteria; using benchmark and acceptance tests; the risks of miscalculations; vendor, consultant, and library roles; and related topics. (Author/EM)

Five library consultants address issues that affect online system performance: options in system design that relate to diverse library requirements; criteria that most affect performance; benchmark tests and sizing criteria; minimalizing the risks of miscalculation; and the roles and responsibilities of vendors, libraries, and consultants.…

Describes Tennessee Technological University Library's participation in test of a network's local online services, i.e., database maintenance, authority control, reference support/patron access. Online catalog, training, patron access points, transactions and response time, database maintenance activities, bibliographic and authority record…