1. Internet Service Providers and types of internet connections

2. How to acquire Connection?
We are Basically connected with internet by
 Internet Service Provider (ISP) / Internet
Access Provider (IAP)
 Wireless Service Provider (WSP)

3. Internet Service Providers
MGB 2003
Internet Service Providers
An internet service provider is an organization that provides service for accessing, using, or participating in the internet.
© 2003 Microsoft Corporation. All rights reserved.
This presentation is for informational purposes only. Microsoft makes no warranties, express or implied, in this summary.

4. Introduction
Before you complete the design of web site, you need to find a way to put it on the Internet.
Internet Service Provider
A specialized company that connects customers with PCs and browsers to the Internet

5. HOW ISPs WORK ISPs are cheaper, more reliable.
To access web site, it has to be stored on a web server that is always connected to the Internet by a high-speed.

6. Wireless Service Provider (WSP)
 A company that provides wireless Internet
access to the users with wireless modems.
 Notebooks/laptops and Cellular phones are
example of wireless devices accessing the
internet.

7. What services? Connection to The Internet Email accounts (how many)
Web Space (how much)
Technical Help(free?)
Fixed / varied IP Address
Other Items

8. Internet service provider
Specialized company that connects customers with PCs and browser to the internet
Allow user to access the Internet via modem using a voice telephone network or directly via cables.
Provides an interface between the public phone system and Internet digital phone lines, which carry packets instead of voice conversation

9. ISP Services An ISP is expecting to provide the following WWW server
Can be run on the same hardware as DNS, .
FTP
Accept connection form client trying to connect to its server
Internet relay chat (IRC)
Text-based chat service, where users connect to local server as part of a larger network of IRC servers

10. ISP Services An ISP is expecting to provide the following News server
Internet network news is becoming more popular, because there is so much data traffic for news
HTTP proxy service
Generates and manages a local store of Internet objects such as web pages, images, or FTP and deliver the objects when requested (caching)
When a web page is requested, the proxy server examines its internal database to see if the page is store in the cache
Minimize data traffic, speed up request

11. Factors in choosing an ISP
Bandwidth
Connection availability
Customer volume and traffic
Traffic volume during peak hours
Virtual hosting feature
Capacity of box
Stability and staying power
Customer service and local support
Price

12. HOW A MESSAGE IS BEING SENT?
IP=
IP=
Sending PC
Packets
Packets
Receiving PC
Router
To:
From:
Figure: TCP/IP and Message Transmission

13. Internet Connections
Most people are familiar with the use of modems and telephone lines to access the
Internet, but there are now many other options available, each with their own
advantages and drawbacks

14. TYPE OF INTERNET CONNECTIONS
Dialup
Analog modems
– Cable Connection
– DSL Broadband
– ISDN
– Wireless Connection

15. Dial up connection

16. Dial up connection Dial-up connections are the most common type
of Internet Connection for home users.
 Dial-up connections today are considered the
slowest but the reputation of being most
inexpensive. Connection rates for dial-up
modems tend to fall between 24 kbps to 56
kbps.

17. Analog modems Advantages Low cost · Availability: able to get
internet service almost
anywhere in the country
· Simplicity
Disadvantages
Slowest type of connection Available
Unable to talk on the telephone when using internet

18. Cable Connection

19. Cable Connection Cable connection offers very fast and reliable
connections with fixed monthly fee. Because
cable connections use a different medium to
connect you to the Internet, it will not affect
how you use your telephone.
 Cable broadband Internet connections offer
data transfer rates of approximately 1.5 Mbps
up to 7.5 Mbps.

20. DSL connection

21. DSL connection Digital Subscriber Line or DSL connections
are becoming widely available and can provide
you with an excellent Internet connection.
 DSL allows you to use the phone normally
while connected to the internet. The
disadvantage of DSL connections can be
costlier than dialup. DSL operates at 512 kbps
up to 20 mbps.

22. ISDN

23. ISDN ISDN Connection are a type of telephone
connection that offer data transfer rates of up
to 128 kbps. This can be better than dialup,
however ISDN connections are considered still
more or less outdated.

24.  THANK YOU