Intranet and extranet

1. Intranet and Extranets
Presentation by :-
MD NURUDDIN
KAMAL JAIN
B.Tech(BIOTECH)
1
st
YEAR
SHARDA
UNIVERSITY

2. Intranet

3. 4-3© 2007 Prentice-Hall, Inc
What Is an Intranet?
•An intranet delivers collaboration and coordination
to employees around the clock
–Communication system designed by technical staff
–Focus is the message, not the media
•Normally runs in a client/server environment and a
local area network configuration
•Separated from other networks by firewalls, a
means of preventing unauthorized access to the
company’s internal data or leaks of sensitive
company information

4. What is Intranet ?
Internal company network that uses Internet
standards (HTML, HTTP & TCP/IP protocols) &
software.
Accessed only by authorized persons, especially
members or employees of the organization
Intranet = Network + Information Resource +
Information Services

5. Intranet Security
Two levels of Security required:
Internal
It can be imposed by Public Key Security &
Encryption Key.
External
Through Firewall.

6. What is Firewall ?
Security device located between firm’s internal
network (intranet) & external network (internet).
Regulates access into & out of a company’s network
based on a set of rules.
Note : needs to be upgraded from time to time to check latest
potential security problems.

7. 4-7© 2007 Prentice-Hall, Inc
Strategic Significance
•A cost-effective way of distributing information
throughout an organization
•Links employees and managers around the clock
and automates a lot of intraorganizational traffic
•Makes it possible for a company to gain better
access to its primary resource - the knowledge
and experience of decision makers
•Enables easier integration of processes

8. Fundamentals of Information
Systems, Second Edition8
Virtual Private Network

9. Applications of Intranet
Sharing of company policies/rules &
regulations
Sharing of information of common interest
Access product & customer data
Launching of personal/departmental home
pages
Submission of reports
Corporate telephone directories

10. Advantages of intranet
Fast, easy, low-cost to implement
Based on open standards
Connectivity with other systems
Easy to learn and use
Hypertext links
Access to internal and external information
Improves communication

11. Disadvantages
Information overload lowers productivity
Hidden or unknown complexity and costs
Productivity
problem
 Unauthorized access
 Abuse of access
 Denial of service
Security
problem

Fear of sharing information and the loss of control
 Limited bandwidth for the business
Management
problem

12. Extrane
t

13. What is Extranet ?
Extranet is an Intranet for outside authorized users
using same internet technology.
Inter-organizational information system.
enable outsiders to work together with company’s
employees.
open to selected suppliers, customers & other business
partners

14. Examples..
Dealers/distributors have access to
product files such as :-
1. product specification,
2. pictures,
3. images, etc.
to answer the queries of the customer.

15. Components of
extranets ..
Some basic infrastructure components such
as the internet Including :-
TCP/IP protocols,
E-mail,
Web-browsers,
External business partners &
Tele-commuting employees place order,
check status & send E-mail.

16. pg. 16
Enterprise Collaboration ToolsEnterprise Collaboration Tools
Data
Conferencing
Videoconferencing
Discussion
Forums
Electronic Meeting
Systems
Voice
Conferencing
Chat Systems
Groupware
Enterprise
Collaboration
Tools

17. Benefits of Extranet
Improved quality.
lower travel costs.
lower administrative & other overhead costs.
reduction in paperwork.
delivery of accurate information on time.
improved customer service.
better communication.
overall improvement in business
effectiveness.

18. Disadvantages
The suppliers & customer who don’t
have technical knowledge feel problem.
Faceless contact.
Information can be misused by other competitors.
Fraud may be possible.
Technical Employees are required.

19. Clients, partners, customers
Layered System View
Intrane
t
Extranet
Interne
t
Corporate members
Global society: competitors

20. Questions

21. Thank You