CS-101 / Fall 1997

9/23/97


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Table of Contents

CS-101 / Fall 1997

Internet Protocols: Lecture Overview

Computer Network Applications: The Main Components

Example “every day” Protocols

A Client/Server Application: Web Browsers/HTTP Servers

A Client/Server Application: Finger Client/Server

Computer Networks: Preliminaries

Computer Networks: IP Addresses vs Computer Names

Computer Network Services: Domain Name Servers (DNS)

Computer Network Services: DNS Example

Computer Networks: Servers and Port Numbers

Computer Networks: HTTP and Port “80”

Computer Networks: Telnet and Port “23”

The HTTP Protocol: Universal Resource Locator

The HTTP Protocol: URL Example

An HTTP Protocol Drill: Fetch a URL (1)

An HTTP Protocol Drill: Fetch a URL (2)

An HTTP Protocol Drill: Fetch a URL (3)

An HTTP Protocol Drill: Fetch a URL (4)

An HTTP Protocol Drill: Fetch a URL (5)

Creating Your Home Page (1)

Creating Your Home Page (2)

Creating Your Home Page (3)

Author: Azer Bestavros

Email: best@bu.edu

Home Page: http://www.cs.bu.edu/faculty/best