Operational Enviornments

  1. Network Enviornment: concerned with protocols , exchange of messages, and standards relating to different types of underlying data communication networks.
  2. OSI Enviornment: allows additional application-oriented protocols and standards to allow end-systems to communicate with one another in an open way.
  3. Real Systems Enviornment: builds an OSI enviornment and is concerned with the manufacturers own propietary software and services, which have been developed to perform a particular distributed information processing task.

These envionments provide;