- Seamless access
- Resource sharing
- Increased productivity
- Extend services.
- Send requests to several libraries simultaneously.
- The basic record format used for interchange is MARC.
- Possible to search multiple catalogues or databases with one single user interface.
- Results from multiple servers are in a standard format and can be combined.
- Results data can be reused by a client.
- Items can be ordered or requested on Inter-Library Loan.
References
Information Technology for Libraries
Z39.50 A Primer on the Protocol
