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Agenda. 1. QUIZ 2. HOMEWORK 3. LOCAL AREA NETWORKS 4. WIDE AREA NETWORKS. Homework. 12-1, 12-4, 12-11, 12-16, 12-18, 12-20, 12-67 13-8, 13-12, 13-13, 13-16. Chapter 12. Local Area Networks. Figure 12-1. LAN Compared with the OSI Model. Figure 12-2. Project 802. LANs & Layers.
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Agenda 1. QUIZ 2. HOMEWORK 3. LOCAL AREA NETWORKS 4. WIDE AREA NETWORKS
Homework 12-1, 12-4, 12-11, 12-16, 12-18, 12-20, 12-67 13-8, 13-12, 13-13, 13-16
Chapter 12 Local Area Networks
Figure 12-1 LAN Compared with the OSI Model
Figure 12-2 Project 802
LANs & Layers Source Port 802.2 Logical Link Control Data Link Layer 802.1 Bridging CSMA Token Token MAN IVD Wire- Future less CD Bus Ring 802.3 802.4 802.5 802.6 802.9 802.11 Physical Layer 802.7 Broadband Tag 802.8 Fiber Optic Tag
Point To Multipoint Protocol Building Blocks Ethernet Carrier Sense Multiple Access with Collision Detection--40-70% Throughput Carrier Sense Multiple Access-- Up to 55% Throughput Slotted ALOHA--Up to 37% Throughput ALOHA--Up to 18% Throughput
Figure 12-3 PDU Format
Figure 12-4 Control Field in a PDU
Figure 12-5 IEEE 802.3
Figure 12-6 Collision in CSMA/CD
Figure 12-7 802.3 MAC Frame
Figure 12-8 Ethernet Segments
Figure 12-9 Topology of 10Base5
Figure 12-10 Transceiver Connection in 10Base5
Figure 12-11 Topology of 10Base2
Figure 12-12 10Base-T Topology
Figure 12-14 An Ethernet Network Using A Hub
Figure 12-15 An Ethernet Network Using a Switch
Figure 12-16 Categories of Fast Ethernet Implementations
Figure 12-17 100Base-TX Implementation
Figure 12-18 100Base-FX Implementation
Figure 12-19 100Base-T4 Implementation
Figure 12-20 Use of Gigabit Ethernet
Table 12-1 Gigabit Ethernet Implementations Feature 1000Base-SX 1000Base-LX 1000Base-CX 1000BAseT Medium Optical Fiber Optical Fiber STP UTP multi-mode multi or single Signal Short-wave Long-wave Electrical Electrical laser laser Max 550 m 550 m m-mode 25 m 25 m 5000 m s-mode
Figure 12-21 Token Passing
Figure 12-22 Token Ring Frame
Figure 12-24 Token Ring
Figure 12-25 Token Ring Switch
Figure 12-27 FDDI Operation
Figure 12-29 FDDI Layers
Figure 12-30 FDDI Frame Types
Figure 12-31 FDDI Ring
Figure 12-32 FDDI Ring after a Failure
Figure 12-33 Node Connections
Chapter 13 Metropolitan Area Networks & IP to TCP
Figure 13-1 DQDB Buses and Nodes
Figure 13-2 Data Transmission in DQDB
Figure 13-3 Queues
Figure 13-4 Distributed Queues in a Node
Figure 13-5 Reservation Token in a Queue
Figure 13-6 DQDB Rings
Figure 13-7 DQDB Layers
Figure 13-8 Connecting LANs Using T-1 or T-3 Lines
Figure 13-9 SMDS as a MAN
Figure 13-10 SIP Levels
Figure 13-11 An Address in SMDS
Table 12-5 Local Area Network (LAN) Comparison Network Access Signaling Data Rate Error Method Control Ethernet CSMA/CD Manchester 10 Mbps No Fast Ethernet CSMA/CD Several 100 Mbps No Gigabit Ethernet CSMA/CD Several 1 Gbps No Token Ring Token Passing Diff Manchester 4, 16 Mbps Yes FDDI Token Passing 4B/5B, NRZ-I 100 Mbps Yes
TCP/IPWhat The Forrest Looks Like (2) TCP/IP Ethernet Apl Protocol Transport TCP UDP Network Physical Network Data Link Physical
