STRUCTURE OF INTERNET

The structure of the Internet

The Internet is a tangled web of different machines in different networks with different users. A regular user does not need to understand all the complicated ways in which the Internet works. A general idea of its structure is enough to get the most out of it.The participants in the Internet are a wide variety of machines, organizations and individuals (whose number keeps increasing steadily), all able to communicate and share information.Each machine in the Internet is called a host. Hosts may be of many different types, as the following figure shows.