SNASystems network architecture. Networking protocol popular in IBM environments.
snappingThe process of moving a feature to coincide exactly with coordinates of another feature within a specified snapping distance, or tolerance.
SNA: Systems Network Architecture
SPCS: State Plane Coordinate System
SPOT: Satellite Pour l'Observation de la Terre ...
The move to non-proprietary, open systems began as a response to the dominance of International Business Machines (IBM) and its Systems Network Architecture (SNA). In 1979, the Open Systems Interconnection Reference Model (OSI Model) was published.
 See also: Environment, Mainframe, Access, Digital, Address
  
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