Computer Network Architectures

Computer network architecture: an intuitive model; the reference model of open systems interconnection; recommendation X.21; high-level data link control; X.25 packet level protocol; the EHKP4 protocol; IBM 's systems network architecture; DEC 's distributed network architecture; Univac's distributed communication architecture; Burroughs' network architecture; other network architectures; CCITT X - series recommendations; proprietary architectures and X.25; LDS Germany; future of computer networks.