1. 1 Pertemuan 02 Komponen Jaringan Matakuliah: H0372/Manajemen Jaringan Tahun: 2005 Versi: 1/0

2. 2 Learning Outcomes Pada akhir pertemuan ini, diharapkan mahasiswa akan mampu : Menjelaskan komponen dan teknologi dari jaringan

3. 3 Outline Materi LAN dan komponennya WAN dan komponennya

4. 4 Computer Network Technology Network comprises Nodes Links Topology: How they’re configured LAN WAN

5. 5 LAN Type of LANs Ethernet Fast Ethernet Gigabit Ethernet Half-duplex vs Full-duplex Switched Ethernet VLAN Token ring

6. 6 WAN Facilities / Media Wired: Copper, Coaxial, Fiber Wireless: Terrestrial, Satellite Mode: Digital, Analog Services: POTS, Broadband

7. 7 Nodes Hubs Bridges/Remote bridges Routers Gateways Switches

8. 8 Network Node Components Hub Bridge, Remote bridge Router, Gateway Switch Router Switched Hub Bridge Remote Bridge ATM Switch Gateway External Network RouterHubWorkstation Dial-up Network External Network Hub

9. 9 Star & Hybrid LAN Topologies Star topology used with bus and ring topology Hub is “LAN in a box” What does the electronic LAN inside the box look like? Why has hub become so popular? DTE Token Ring HubEthernet Hub DTE

10. 10 WAN Topologies Mesh topology Implemented in network layer level Multiple paths between nodes Flat topology, Redundancy, Load balancing, Shortest path Tree topology Used with Ethernet bridges Hierarchical Efficient for small networks and, special purpose networks N3 N4 N2 N5 N1 Mesh Topology N6 N1 N2N3 N6N5N4 Tree Topology

11. 11 Transmission Technology Medium Mode WiredWireless LAN WAN Digital Analog LAN Physical transport media UTP Coax Fiber Terrestrial wireless Satellite transmission MobileSatellite

12. 12 LAN Data Rate Ethernet 10Mbps FDDI 100 Mbps Fast Ethernet 100Mbps ATM 155.52 Mbps Gigabit E’Net 1 Gbps ATM STM-n

13. 13 Hubs Hub is a platform Function dependent on what is housed LAN (Bus/Ethernet) Switched LAN (Ethernet) Bridge Hub Patch Panel DTE Wiring Closet

14. 14 Switched Ethernet Maximum throughput increased ~N/2 in N-port hub Snooping capability lost for management Switched hub DTE

15. 15 Client/Server - Switched Hub Server Switched hub Workstation 10 Mbps 100 Mbps

16. 16 Router Routes packets between nodes of similar network protocols Routing table used to route packets DLC and Physical layers could be different under the same common network layer protocol Protocol interface Physical medium A TP NP DP Phy TP NP DP' Phy' Network A Protocol P Network B Protocol P Router NP DP Phy NP DP' Phy' Physical medium B

17. 17 Gateway Gateway is router connecting two networks with dissimilar network protocols Gateway does the protocol conversion at the network layer Protocol converter does the conversion at the application layer Protocol interface Physical medium TP NP DP Phy TP NP' DP' Phy' Network A Protocol P Network B Protocol Q Gateway DP Phy NP' DP' Phy' NP

18. 18 Switched Networks Switches are embedded in bridges and routers Switched network used in WAN Two types of switched networks Circuit-switched Packet-switched Datagram service Virtual circuit B A D C DTE ADTE Z Pkt3Pkt2Pkt1 Pkt3Pkt2Pkt1 Pkt3 Pkt2 Pkt1 Virtual Circuit Configuration

19. 19 Broadband Services SDH WAN Campus ATM / LAN Network Campus ATM / LAN Network Residential Customer Network Residential Customer Network STM-n Service Providers Gateway Broadband Access Broadband Access