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1999, Cisco Systems, Inc.

Module 15:

The Internet

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15-2CSE: Networking FundamentalsInternet 1999, Cisco Systems, Inc.www.cisco.com

Agenda

What Is the Internet?

The New Business Model

Intranets

Extranets

E-Commerce

Technology Implicationsof Internet Applications

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The Internet: A Network ofNetworks

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Routers and circuits

Multiple paths

Adaptive routing

San Francisco

Boston

NAP NAP

ISPPOP

ISPPOP

Backbone

Internet Hierarchy

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The New BusinessModel

5Presentation_ID 1999, Cisco Systems, Inc. www.cisco.com

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Internet

The Internet Is Changing theWay Everyone Does Business

Compression of:

Time

Distance

Business cycles Market turbulence

Networked business

Rapid transformation

The Internet is drivingacceleration of

technology adoption.

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7/3115-7CSE: Networking FundamentalsInternet 1999, Cisco Systems, Inc.www.cisco.com

Blurring ofIndustries

Compressed

ProductLifestyle

Blurring ofGeographicalBoundaries

Need to

Do Morewith Less

Forces Driving Change

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Traditional Business ModelVersus New Business Model

Traditional New

Closely heldknowledge base

Limited access toinformation

Costly duplicationof effort

Limited hours toconduct business

Widely distributed amongpartners, suppliers

Ubiquitous access toinformation by employees

Removal of redundancythrough cost justificationand analysis

Global 24 x 7 access

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Todays Internet BusinessSolutions

Intranets

Extranets

E-commerce

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10/31 1999, Cisco Systems, Inc.

Intranets

1999, Cisco Systems, Inc. www.cisco.com

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What Is an Intranet?

An internal networkbased on Internet andWWW technology that

delivers immediate, up-to-date information andservices to networkedemployees

Platform independent Quick to implement

Global reach

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Typical Intranet Applications

Employee self-service

Distance learning Technical support

Videoconferencing

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Example: EmployeeSelf-Service

What can you do with employeeself-service?

Business management and planning

Internal communications

Human resources; benefits, training,401K, payroll

Internal IT services

Budgeting, sales and revenue forecast

EIS/daily operations managementand enterprise reporting

Corporate travel

Market intelligence

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Benefits of Intranets

Increase employee productivity

Provide easy access to information

Improve design productivity andcompress time to market

Improve global communications

Minimize downtime and cut

maintenance costs Realize cost savings

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Extranets


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What Is an Extranet?

An extension of thecompany network,facilitating secure

collaborative connectionswith:

Key customers

Suppliers

Partners

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Typical Extranet Applications

Supply-chain management

Customer communications

Distributor promotions

Online continuing education/training

Customer service

Order status inquiry

Inventory inquiry

Account status inquiry

Warranty registration

Claims

Online discussion forums

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ManufacturersDistributors/

WholesalersConsumersSuppliers Retailers

From my suppliers suppliers to

my customers customers

Example: Supply ChainManagement

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Benefits of Extranets

Provide access to specific companyinformation, and facilitate closerworking relationships

Streamline day-to-day operationswith your partners and suppliers

Reduce inventories and cycle times

Improve channel performance

Reduce costs

Improve customer satisfaction

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E-Commerce


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15-21CSE: Networking FundamentalsInternet 1999, Cisco Systems, Inc.www.cisco.comSource: Forrester Research

E-Commerce MarketGrowing Rapidly

Business to ConsumerBusiness to Business

Total

1996 1998 2000 2002

0.5 0.6 1.1 625 31

8

123 131

22

327349

97% of companiesconductinge-commercehave less than499 employees

71% of them have

less than 49employees!

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Typical E-CommerceApplications

Online catalog

Order entry

Configuration

Pricing

Order verification

Credit authorization

Invoicing

Payment and receivables

Inventory management

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Benefits of E-Commerce

Increase revenues

Sell into global markets

Improve customer satisfaction withself-service application

Manage inventory levels more effectively Decrease costs

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TechnologyImplications of Internet

Applications


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Technology Implications ofInternet Applications

Higher bandwidth requirements

Security

Potential of Virtual Private Networks

EDI

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1544

128

64

56K

28.8

19.2

9.6

Minimum Bandwidth for Application per User

ISDN, FR

Old Modem Telnet

New Modem

Web Browsing

Simple Video, Voice

Video, Multimedia

E-Mail, File Transfer

Leased Line,Frame Relay,XDSL

Kbps

Applications Need Bandwidth

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PublicWeb

Server

CampusBackbone

Firewall

IntranetServers

Gateway

SalesOffice

Headquarters

Internet

Mainframe

AAA Server Firewalls

Network Address Translation (NAT)

Encryption: IPSec, DES, 3DES

Token cards

AAA

ISDN

PSTN

TokenCard

3 1 7 8 4 5 4

Internet Security Solutions

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Internet

Frankfurt

Geneva

Extends private network through public Internet

Lower cost than private WAN

Relies on tunneling and encryption

IP Packet(Private,

Encrypted)

IP Header (Public)

Virtual Private Network

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Summary

Internet businesssolutions createcompetitive advantage

Higher customersatisfaction

Lower costs

Competitiveagility

Accelerated time-to-market

Higher employee efficiency

Ubiquitousconnectivitywhere thebusiness

runs on thenetwork

Employees

Partners

Customers

Suppliers

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