qThe only continuing source that helps users analyze, plan, design, evaluate, and manage integrated telecommunications networks, systems, and services, The Froehlich/Kent Encyclopedia of Telecommunications presents both basic and technologically advanced knowledge in the field. An ideal reference source for both newcomers as well as seasoned specialists, the Encyclopedia covers seven key areas--Terminals and Interfaces; Transmission; Switching, Routing, and Flow Control; Networks and Network Control; Communications Software and Protocols; Network and system Management; and Components and Processes.qIn an actual implementation of the telephone database, there would be many occurrences of each entity type. ... An ER diagram is used to represent the attributes, entities, and relationships pictorially; typically, a rectangle is used to show an entity, * an ellipse is used for ... The Phone entity identifies a physical phone line.
|Title||:||The Froehlich/Kent Encyclopedia of Telecommunications|
|Author||:||Fritz E. Froehlich, Allen Kent|
|Publisher||:||CRC Press - 1992-09-25|