How Does One Describe the Internet?. It is a bit like describing a city: Its Location on the map The terrain It’s architecture The Kinds of people who Live in it It’s Politics The Business Climate It’s History and so on.…. What is really the Internet?. Internet is network of networks.
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and so on.…
If the sender has an account on a system that does not use SMTP,such as a Novell MHS (Message Handling Service) e-mail network or an online service like AOL or CompuServe, there’s an additional step between the mail server: a gateway that converts the address information from SMTP format to the format used by the other system, or from the other format to SMTP.
The top level domainsin the world are :
National Centre for Software Technology
8th. Floor, Air India Building
Telephone: 91-22-2024641, 91-22-2836924
India Network Information Centre
Indian Institute of Science
Telephone: 91-80-3312312, 91-80-3340855
PSTNLeased Line Option:Accessing an Internet Server via a TCP/IP enabled User system