Computer Networking and Management Lesson 1

Computer Networking and Management
Lesson 1
-
Computer Networks and Internet - Overview
Introduction
| What is the Internet | What is a protocol | The Network Edge
| The Network Core | Access Networks | Physical Media | Delay and Loss in Packet-Switched Networks | Protocol Layers and Their Service Models | Internet History
Lesson Outline
Introduction
What Is the Internet Nuts And Bolts View'
What Is the Internet A Service View
What Is A Protocol?
A Human Analogy
A Human Protocol and a Computer Network
Protocol
Network Protocols
The Network Edge
End Systems, Clients and Servers
End-System Interaction
Connectionless and Connection -Oriented
Services
Connection-Oriented Service
Connectionless Service
The Network Core
Circuit Switching
Packet Switching
Packet Switching Versus Circuit Switching
Routing
Virtual Circuit Networks
Datagram Networks
Access Networks
Residential Access Networks
A Hybrid Fire -Coax Access Network
Company Access Networks
Mobile Access Networks
Home Networks
Physical Media
Some Popular Physical Media
Twisted Pair Copper Wire
Coaxial Cable
Broadband Coaxial Cable
Fibre Optics
Terrestrial and Satellite Radio Channels