In this presentation we will discuss the information technology structure and an overview of intranet, extranet and internet is also provided in this presentation.
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3. An Overview of an Intranet
Intranet
Site 1
clients
LAN 1
Pvt. server
Firewall server
Internet router
Public
Internet
Internet Firewall server
router To Intranet
Site 2 LAN 2
4. Intranets & Extranets
Extranet
Intranet
Router
The Firewall Firewall
Intranet
Router
Company A Intranet
server
Host
system
Company B
6. Intranet and Internet
Corporate
Network
INTRANET
ISP
ISP
ISP ISP
Internet
ISP
ISP ISP
ISP
7. Access to Intranet
• Employee telephone
directory
• Human resource
policies
• Support information
and
• Knowledge base
8. Access to Extranet
• Need to rapidly adapt
to change
• Distribute information
• Improve existing
information delivery
techniques
• Supporting major
strategic initiative
9. Reasons for using Intranets
• Employee productivity
• Cost saving
• Knowledge
management
• E – commerce
• Customer –
management
improvements
10. Syndication for Various Reasons
Have components that can Want to get your
be used in many different products/services located
assembly & product on as many affiliate web
configuration sites as possible
Syndicate
Have a product that many when you
Have content that can be
people want , but your
re-purposed in many
business partners want to
ways
brand it themselves
Have a e-commerce
offering that will add
value to others in your
business network
11. An Example of Intranets & Extranets
Company A Router
The
Internet
Firewall
Intranet Extranet
Firewall
Intranet Server
Company B
Router
Intranet
Host System
12. Applications of Extranet
Technology Applications
B2B Communications
Secure Electronic Mail
Subject review & response vehicle, FAQ
Bulletin Board
Sales & customer support
Instant Messaging
Knowledge management & customer
Document Repository support
Customer support, sales support software
FTP development
Broad cash of changes & notification
Mail List Server
Scheduling
Calendar
Data conferencing & chat Electronic Meetings
14. Web Browsing
Search University
-Netscape navigator Engine website
-MS Internet Explorer
-other
ISP ISP
ISP
ISP
ISP
ISP
Government Search
website Engine
Corporate
site
15. Relationship between Internet, Intranet, Extranet
customer
Ext
rane
t
Company
et location 1
ran
Ext
Intranet
Intranet
Intranet
company
Extranet
Company
location 2
t
rane
supplier Ext
16. Firewalls
LAN
Outside
Internet
Inside
LAN
e
h fil
o ug
hr er
T rv
se
Firewall
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