Introduction to Data Communications & Networking

Objective:

• Reference models ….  ISO OSI reference model
  Serial networks & protocols  ….  DTE & DCE, data rates, flow control, V.24/EIA232, .11/X.21, EIA449, EIA530, EIA422, V.35,  Async (start, stop, parity), sync (HDLC, SDLC, LAPB, LAPD, LAPM)
• Analogue networks, modems and multiplexors
  • PSTN and leased line (2 and 4 wire)
  • Line drivers, PSTN & LL modems, AT & V.25bis commands
  • Modem modulation standards (Bell, CCITT and proprietary)
  • Frequency, classical and statistical time division multiplexing
• Permanent digital networks
  • BT Kilostream, PDH networks (E1 - E4, T1 - T4, BT Megastream SONET/SDH (STS-n, STM-n, OC-n, packet formats/payload)
• ISDN network and equipment
  •  ISDN channels (B & D channels), ISDN services (BRI & PRI).
  • Devices & network points. The passive bus, - Basic ISDN addressing.
  • ISDN equipment (bridges/routers, ISDN phones, fax machines, terminal adapters, synchronous PC cards)
• Packet switched networks & X.25  …  PVC, SVC, DTE & DCE, LCN, SVC addresses, X.25 TE, X.25 PAD, connecting to X.25, ISDN D channel service, X.25 LAPB, X.25 PLP
• Frame relay  …  DLCI numbers and FRADs. Congestion control (CIR, DE).

                - Congestion notification (BECN, FECN)

• ATM & SMDS  …  Traffic nature, ATM reference model, ATM cells, UNI, NNI, ATM connections (VCI, VPI), traffic flow (SCR, CLP), cell formats, adaptation layer services. ATM on LANs. SMDS (connectionless, fully meshed, addressing, LAN behavior)
• Introduction to LANs  … Ast, broadcast, multicast. LAN equipment, protocols NIC, MAC, unic
• LAN physical layer …  Ethernet (CSMA/CD, 10Base5/2/T. 100baseTX/T4/FX), 100VG-anyLAN. Token ring (MAU, cabling, connectors),  FDDI (rings, attachments, modes, concentrators, CDDI)
• Network connection concepts …Topologies, bridges (tables, filtering, STP, SRB, ARE, SRE), switches (store & forward / cut through, dual NIC, performance gain)
• Introduction to IPX  …  Ng, RIP, SAP, watchdogs, spoofing, snapshot routing

               - NCP, SPX - IPX address

• Introduction to IP  … IP addresses (class A to E), IP networks, broadcasts, private nets, routers, TCP/IP naming (HOSTS, DNS), subnet masks
• Analogue and digital signaling  …  Digital over analogue (A/F/PSK, QAM), digital (RZ, NRZ, NRZi, manchester), analogue over digital (PCM, ADPCM, CVSD, CELP)
• LAN frames  …  Ethernet_II, 802.3, 802.5, ISO9314, LLC, SNAP
• LAN protocols over serial networks  … SLIP, CSLIP, PPP, MPPP, security (PAP, CHAP