ATM – Asynchronous Transfer Mode: A Fixed Channel Between Two Points Before
Data Transfer Begins, but Packets are Sent
Frame Relay – Synchronous: Uses Permanent virtual Circuits (PVC)
SONENT/SDH – Synchronous Optical Network: Standard for ATM
OC-1: 51.84 MBps
OC-3: 51.84 * 3 MBps
OC-12: 51.84 * 12 MBps
OC-48: 51.84 * 48 MBps
Layer 1 – Physical: Hubs and Repeaters
Layer 2 – LLC: Bridges and Switches
Layer 3 – Network: Routers
Layer 4 – Transport: TCP Assembly and Disassembly
Layer 5 – Session: ASP, SQL, and ZIP
Layer 6 – Presentation: Image Types
Layer 7 – Application: Requests From User
802.2 – LLC
802.3 – CSMA/CD: 10, 100, and 1000 MBps
802.5 – Token Ring: 4 and 16 MBps
802.11b – Wireless: 1 and 11 MBps
ETHERNET
10BASE-T Cat 3 UTP 100 m 10 MBps RJ-45 Star
100BASE-TX Cat 5 UTP 100 m 100 MBps RJ-45 Star
10BASE2 Thin Coaxial 185 m 10 MBps BNC Star and PTP
100BASE-FX Fiber 412 and 2000 m 100 and 200 MBps Fiber Star and PTP
10BASE5 Coaxial 500 m 10 MBps AUI/DIX Bus
GIGABIT
1000BASE-T Cat 5 100 m 1 GBps RJ-45 Star
1000BASE-CX Twinax 25 m 1 GBps DB-9 Star
1000BASE-LX Fiber 440 and 5000 m 1 GBps SC Star and PTP
1000BASE-SX Fiber 260 m 1 GBps SC Star and PTP