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NNI (Network Node Interface), ATM
Note: Many topics at this site are reduced versions of the text in "The Encyclopedia of Networking and Telecommunications." Search results will not be as extensive as a search of the book's CD-ROM.
NNI in ATM means Network Node Interface. It is the standard interface between ATM switches. The term is also used with frame relay. See "ATM (Asynchronous Transfer Mode)."
Copyright (c) 2001 Tom Sheldon and Big Sur Multimedia.