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TEACHING: Subjects GENERAL INFORMATION
OBJECTIVESIn-depth analysis of the lower levels of the OSI reference model: physical, link and network layers. At the physical level we study source coding and compression techniques, as well as channel coding basic techniques. At the link level, we study flow and error control techniques, as well as medium access within local area networks. Third, we analyze network layer, by means of the analysis of X.25 protocol. Finally, we introduce TCP/IP protocol architecture, the most spread in the Internet nowadays. SYLLABUS Lesson I: Data Communication Networks.
Course introduction. Communication architecture concept. Protocol functions. Proprietary communication architectures. Standardization organizations. The OSI reference model. Service primitives. Application oriented levels. Network dependent levels. Internet versus the OSI Model. Lesson II: Data Transmission Fundamentals.
Communication modes: simplex, semi-duplex, duplex. Bit, character and frame synchronization. Synchronous and asynchronous transmission modes. Flow and error control concepts. Channel coding. FEC and ARQ Techniques. Source coding. Data compression. Universal interface communication circuits. Lesson III: Physical Layer Recommendations.
Medium transmission characteristics. Electrical, mechanical and functional recommendations. Physical Layer interfaces. Data circuit. Data transmission over the PSTN. Modems. Series V (UIT-T) recommendations. Lesson IV: Data Link Layer Functions and Services.
Data link definition. Link layer functions. Flow control mechanisms without errors. XON- XOFF techniques. Stop & Wait Protocol. Sliding window protocols. Error control. Continuous ARQ Protocols. Go-Back N Protocols. Selective rejection protocols. Lesson V: Link Layer Control Protocols.
Bit oriented and character oriented protocols. File transfer protocols: Kermit and X-modem. BSC protocol from IBM. HDLC protocol from ISO. Operation modes. Link management with NRM mode. Link management with ARM mode. HDLC subset. Lesson VI: Local Area Networks.
Topologies and transmission media. Medium Access Control techniques. IEEE 802.x standards. Ethernet and Token Ring networks. Bridge-based network interconnection. Ethernet switching. Lesson VII: Wide Area Networks.
The need for Wide Area Networks. Circuit switching revision. Packet switching: datagram and virtual circuit techniques. X.25 recommendation as a packet switched network: physical, link and network levels. The Packet Assembler and Dissembler (PAD). Lesson VIII: Network interconnection.
The router concept. Network Interconnection with the IP Protocol. The Internet. The TCP/IP Protocol architecture. The IP Protocol. ARP and ICMP Protocols. TCP and UDP Protocols. Application protocols. Practical applications TCP/IP. EVALUATION CRITERIA T.M. Cover, J.A. Thomas: “Elemets of Information Theory”; Ed. John Wiley & Sons, 1991 F. Halsall: “Data Communications, Computer Networks and Opens Systems”; Ed. Addison-Wesley, 1996 A.S. Tanenbaum: “Computer Networks”; Ed. Prentice-Hall. 4 ª Edición, 2003 W. Stallings: “Comunicaciones y Redes de Computadoras”; Ed. Prentice-Hall, 1997 MATERIALS |
