Integrated Library Systems: The Z39.50 EXPLAIN Service Available to Purchase

Now that we have a fully defined protocol with a nice set of services and well defined PDUs, can we build useful Z39.50 origin and target systems? The answer is a resounding “maybe.” Certainly within the environment for which Z39.50 was originally designed, as an extension of the Linked Systems Project (LSP), the answer is “yes.” For the rest of us, though, probably more is needed.