- Support computer-to-computer communication in standard
- Client and server communicate
- An applications-layer protocol.
- Establish a connection
- Searching a database
- Ask the records
- Retrieve the records
References:
The ANSI/NISO Z39.50 Protocol: Information Retrieval in the Information Infrastructure. http://www.cni.org/pub/NISO/docs/Z39.50-brochure/50.brochure.part02.html
