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Summary : Internet, Intranet, and Extranet
Network
Typical
Type of
Type
Users
Access
Information
Internet
Any individualwith dial-upaccess or LAN
Unlimited,public; norestrictions
General, publicand advertisement
Intranet
AuthorizedemployeesONLY
Private andrestricted
Specific,corporate andproprietary
Extranet
Authorizedgroups fromcollaboratingcompanies
Private andoutsideauthorizedpartners
Shared inauthorizedcollaboratinggroup
Docsity.com
Firewalls
• Definition of Firewall
- Software and hardware that allows only those
external users with specific characteristics toaccess a protected network
- Provides potential customers with secured
account, credit card, and loan information
- Usually located at a gateway point and
controls traffic between internal and externalnetworks
Categories of Intranet Application Purposes
0
10
20
30
40
50
Accounts receivable^ Accounts Payable Logistics and transportation
Data warehouse^ Sales records Document routing
Inventory
Policies and procedures^ Legacy systems access
Document sharing^ Customer records
Product catalogs and manuals Purchase orders or order entry
% of respondent
-^
Electronic Commerce
:^ sales and purchasing online
-^
Customer Service
:^ UPS, FedEx and other shippers have proved that
information about product shipments and availability makes customershappier
-^
Reduced Time to Market
:^ Easy online access for product
development speeds teamwork
•^
Enhanced Knowledge Sharing
:^
Web pages can enhance knowledge
sharing
-^
Enhanced Group Decision and Business Processes
:^
Web-based
groupware and workflow is becoming the standard intranet platform
-^
Empowerment
:^
All information should be available to everyone with
the ability to know and act independently
-^
Virtual Organizations
:^
Web technology at participating companies
removes the barrier of incompatible communication technology
-^
Software Distribution
:^
Using the intranet server as the application
warehouse and avoid many maintenance and support problems
-^
Project Management
:^
Share reports and monitor projects’ progress
Categories of Intranet Application Purposes
(cont.)
Intranet Case Studies with ROI Analysis
- The cases are organized in the following
format:
- Background of company– Business challenges– Before the intranet technology– Intranet cost– Intranet strategy– After intranet technology– Subjective (intangible) benefits (optional)– Lessons learned– Analyzing the ROI
- Federal Express - Package Tracking
Intranet Case Studies with ROI Analysis
(cont.)
- 60 internal web sites allow communication worldwide
between divisions and corporate headquarters on allissues of importance to the employees andcustomers
- The package tracking system allows customers to
contact FedEx and go into the intranet to find thestatus of a package that they have shipped or onethat they are expecting
- The intranet has gone to retailers that ship products
directly to customers and set up computer systemsthat will place and ship orders
Intranet Deployment Strategy
(cont.)
-^
The intranet server platform has to meet 10evaluation criteria
4. Compatibility expandable configuration requirements, but also standardindustry specifications to protect application investment.
: The server family must not only meet
5. Manageability
: As the trend increases, enterprise systems
must be operational from any point on the network and addressthe major operational management problems concerning configuration,fault and problem diagnosis and installation. 6. Availability
: As enterprise servers assume a larger role in the
electronic channel and the enterprise wide Web, these systemsmust be able to sustain tens to hundreds of thousands ofaccesses and transactions with minimal downtime. 7. Reliability
: The hardware reliability, data integrity, systems
integration, and operational error immunity are essential.
