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IBM SNA Networking

Introduction

Systems Network Architecture (SNA), IBM's proprietary networking architecture, has reached a position of prominence in the computer industry based on its completeness and its continued support by IBM. SNA's architecture was a primary basis for the OSI Reference Model, which was created a decade after SNA's introduction. SNA has been expanded to accommodate evolution in computer networking and include support for peer-to-peer networks as well as certain standardized network media and protocols.