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OSI Reference Model
commun.	OSI-Referenzmodell (OSI RM; classifies communication processes in terms of 7 layers)
OSI reference model
commun., comp.	7-Schicht-Modell; OSI-Modell; Referenzmodell der Kommunikation offener Systeme
railw.	OSI-Schichtenmodell
English thesaurus
OSI Reference Model
comp., abbr.	OSIRM