1. How Traffic Moves over the Internet
●
Modem
●
ISP data center
●
The cable provider
●
About Palm VII

2. Modem
●
A modem is a device that modulates an analog
carrier signal to encode digital in formation.
●
The goal is to produce a signal that can be
transmitted easily and decoded to reproduce
the original digital data.
●
Modems are generally classified by the amount
of data they can send in a given time unit.

3. ISP data center
●
Most ISP offered a free mail service to their
clients, and the place was found to the use that
mail severed at the data center of ISP.
●
If one fails, other one automatically settles traffic
because each other is connected with all the
main spines.

4. The cable provider
● A growing number of home users get their
Internet access from their local cable TV
company using cable modem service which
acts as ISP. Many private businesses connect
to the Internet, often using the ISP.

5. About Palm VII
●
Palm VII makes it possible for several
wireless ISPs to provide wireless Internet
access.
●
This device has the function called
Web Clipping. It
shows the information
the users need.
●
This device
has great security.
So, the users can
do e-business.

6. References
●
Wikipedia
http://www.wikipedia.org/
●
Mobile Central
http://www.watch.impress.co.jp/mobile/news/19
99/10/05/palm7.htm