internet user’s guide the path to... gb757. internet user's guide2 objectives understand the...

Internet User’s Guide

The path to ...GB757

Internet User's Guide 2

Objectives

Understand the Internet architecture Understand Internet Services Understand Internet Clients Note key Internet locations Note special corporate considerations

Internet User's Guide 3

Why?

Huge Impact Technology Impacts all sides

Reduces costsIncreases RevenueAlmost Magic

Great EqualizerLittle is BigBig is Little

Internet User's Guide 4

The Hype

Overestimated in short run

Underestimated in long run

Time2005

W orldPopulation

InternetUsers

Internet User's Guide 5

The Problem

Your Here Your Information is here(and in different formats and

types of devices)

Internet User's Guide 6

The Basics

Network Protocol TCP/IPData Packets; bits are bits

Meaningful addresses?? URLprotocol://site:port/file&args...DNS

Stateless Client/Server Application Protocols (Simple)N = Complex

Internet User's Guide 7

The Basic Problems

PrivacySpoofing locations,

namesAltering ContentListeningLegal AmbiguitiesFinancial

Considerations

Response Time Not Predictable Sheer Chaos

Internet User's Guide 8

The Major Services

HTTP (The Web) SMTP/POP (Email) NNTP (News Groups) FTP (File Transfers) Telnet (Remote Logins) List Server (Broadcast Groups)

ProprietaryReal Audio ICQLots of others

Well Known Port

Internet User's Guide 9

The Major Service Sites (HTML)

Search EnginesThe crossroads of the

WebTwo types: Catalog &

Keyword• Even the best only

references 30%Boolean criteria & “ “Sites, people, &

locations ...

Businesses News Jobs Academics Radio stations Personalization Sites And on and on and on

Internet User's Guide 10

The Major Client: The Browser

Two Choices Basic Operations

Stop, Print, Save(what’s is missing)

BookmarksDownloads and

compressed files Embellishments

JavaPlug ins

Session ManagementCookiesSSLURL/Hidden HTML

SecuritySSLSHTTP

Push???

Internet User's Guide 11

The Other Major Client: Email

SMTP POP3 MIME Address Book

Individuals & Groups Filters

SPAM Threads Limitations

Internet User's Guide 12

The Minor Clients

FTP Telnet News Up and coming

ICQReal AudioNetMeetingPointCast

Internet User's Guide 13

The Corporate Internet User

Firewalls Proxies Monitoring Archiving

Internet User's Guide 14

Summary

Its Complex but SimplePrincipals won’t changeTactics will undergo major changeGet going…up the learning curve

Still EvolvingBe carefulBe watchfulBe excited