|
|
Internet |
Intranet |
Extranet
|
|
Definition |
The largest and most well-known
computer network, linking millions of computers all over the world. |
An internal
network that uses internet technology. |
An intranet
that is at least partially accessible to authorized outsiders. |
|
Types of
users |
Public internet user. |
Accessible only to authorized
employees only. |
Accessible only to company’s
employees and outside authorized partner. |
|
Usage |
Provide
information for public. |
Provide
information for organization employees such as e-mail. |
Provide
information to suppliers, customers and business partner. |
|
Security
|
Loose –security control is
lower. |
Higher – security control is
higher. |
High – security control are
high. |
|
Type of
access |
Unlimited. |
Private
and restricted. |
Private
and outside authorized partners. |
|
Information
|
General. |
Specific. |
Shared in authorized
collaborating group. |
|
Advantages
|
1. Easy access to many of information
online. 2. Buy or sell products online. |
|
|
|
Disadvantages
|
1. Theft of personal information. 2. Spamming. |
|
|
