Network technologies

Agenda

Internet topology

Networks

Network classifications (cont.)

Network Classifications (cont.)

Networks

Local Area Networks (LANs)

EtherNet

Ethernet

CSMA/CD protocol

Bridge function

Bridge Topology

Spanning Tree

Spanning Tree (802.1)

ARP: Automatic translation of IP addresses to ethernet addresses

Ethernet Media Types

Yellow Coax

Thin coax

Twisted pair

TokenRing

Token ring topology

FDDI

Copper FDDI

Newest LAN technologies

100 Mbit/s “Ethernets”

Fast Ethernet (cont.)

Layer two switching

Layer two switching (cont.)

VLANs (cont.)

Gigabit Ethernet

Gigabit Ethernet (cont.)

Gigabit Ethernet (cont.)

Metropolitan Area Networks (MANs)

Wide Area Point-to-Point Links

Wide Area Point-to-Point Links (cont.)

Leased links (cont.)

PCM based digital carriers

“Old” multiplexing hierarchies

“Old” multiplexing hierarchies (cont.)

“Old” multiplexing hierarchies (cont.)

SONET/SDH hierarchies

SONET/SDH hierarchies (cont.)

SONET/SDH hierarchies (cont.)

ISDN

ISDN (cont.)

ISDN (cont.)

Point-to-Point protocols

NBMA Networks (Clouds)

Clouds (cont.)

X.25

Frame Relay

ATM - LAN and WAN in one protocol ?

IP over clouds (X.25)

Modems

Modems (cont.)

Dial-up modems

Leased line modems

Leased line modems

Leased line modems (cont.)

Leased line modems (cont.)

xDSL modems (cont.)

xDSL modems (cont.)

xDSL modems (cont.)

xDSL modems (cont.)

xDSL modems (cont.)

xDSL modems (cont.)

ADSL (cont.)

ADSL (cont.)

ADSL (cont.)

xDSL (cont.)

VDSL (cont.)

Cable modems

Interfaces

Interfaces

Routers

Routers (cont.)

Routers (cont.)

Routers (cont.)

Routers (cont.)

High speed routing

High speed routing (cont.)

High speed routing (cont.)

Summary

Where to get more information