Intranets and Extranets
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Transcript of Intranets and Extranets
![Page 1: Intranets and Extranets](https://reader034.fdocuments.in/reader034/viewer/2022052315/554cfed1b4c905ae138b561a/html5/thumbnails/1.jpg)
Welingkar’s Distance Learning Division
Intranets & Extranets
We Learn – A Continuous Learning Forum
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Intranets & Extranets
![Page 3: Intranets and Extranets](https://reader034.fdocuments.in/reader034/viewer/2022052315/554cfed1b4c905ae138b561a/html5/thumbnails/3.jpg)
Information Technology Structure
Security Content & Data Software Tools
Infrastructure
TCP/IP Hypermedia Servers Browsers
Network Databases
Auto
risi
ng
tool
s,D
evel
opm
ent t
ools
se
arch
eng
ines
Fire
wal
ls, p
assw
ords
en
cryp
tion
Management
Policies & standards Network Management Software
![Page 4: Intranets and Extranets](https://reader034.fdocuments.in/reader034/viewer/2022052315/554cfed1b4c905ae138b561a/html5/thumbnails/4.jpg)
An Overview of an Intranet
clients
Pvt. serverFirewall server
Internet router
Firewall serverInternet router
Public Internet
LAN 1
Intranet Site 1
To Intranet
Site 2 LAN 2
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Intranets & Extranets
Intranet
Company B
Intranet server
The Intranet
Company A
RouterFirewall
Extranet
Firewall
Router
Host system
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Internet
ISP
ISP
ISP
ISP
ISP
ISP
Intranet
Firewall
Intranet & Internet
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Intranet and Internet
Internet
ISP
ISP
ISP
ISP
ISP
Corporate Network
INTRANET
ISP
ISP
ISP
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Access to Intranet
• Employee telephone directory
• Human resource policies
• Support information and
• Knowledge base
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Access to Extranet
• Need to rapidly adapt to change
• Distribute information• Improve existing
information delivery techniques
• Supporting major strategic initiative
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Reasons for using Intranets
• Employee productivity• Cost saving• Knowledge
management• E – commerce• Customer –
management improvements
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Syndication for Various Reasons
Syndicate when you
Want to get your products/services located on as many affiliate web sites as possible
Have components that can be used in many different assembly & product configuration
Have a product that many people want , but your business partners want to brand it themselves
Have content that can be re-purposed in many ways
Have a e-commerce offering that will add value to others in your business network
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Router
Firewall
The Internet
Extranet
Firewall
Router
Host System
Company A
Company B
Intranet Server
Intranet
Intranet
An Example of Intranets & Extranets
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Applications of Extranet
Technology Applications
Secure Electronic Mail B2B Communications
Bulletin Board Subject review & response vehicle, FAQ
Instant Messaging Sales & customer support
Document Repository Knowledge management & customer support
FTP Customer support, sales support software development
Mail List Server Broad cash of changes & notification
Calendar Scheduling
Data conferencing & chat Electronic Meetings
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Intranet and Extranets
ISP
ISP
ISP
ISPISP
ISP
INTRANET
IntranetIntranet
IntranetIntranet
IntranetIntranet
IntranetIntranet
IntranetIntranet
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ISP
ISP
ISP
ISP
ISP
ISP
Government website
Corporate site
Search Engine
University websiteSearch Engine
-Netscape navigator
-MS Internet Explorer
-other
Web Browsing
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company
supplier
Intranet
Intranet
Company location 1
Company location 2
customer
Extranet
Extranet
Extranet
Extranet
Intranet
Relationship between Internet, Intranet, Extranet
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Firewalls
Firewall
Through file
server
Outside Internet
LAN
Inside LAN