2023-02-09 08:37:52
The Internet: A Network of Networks
In parallel with the early evolution of the Internet, organizations worldwide were
implementing their own networks for intra-organization (that is, within an organization) and inter-organization (that is, between organizations) communication. A huge
variety of networking hardware and software appeared. One challenge was to enable
these different networks to communicate with each other. ARPA accomplished this
by developing the Internet Protocol (IP), which created a true “network of networks” the Internet’s current architecture. The combined set of protocols is now
called
TCP/IP. Each Internet-connected device has an IP address—a unique numerical identifier used by devices communicating via
TCP/IP to locate one another on
the Internet.
Businesses rapidly realized that, by using the Internet, they could improve their
operations and offer new and better services to their clients. Companies started
spending large amounts of money to develop and enhance their Internet presence.
This generated fierce competition among communications carriers and hardware and
software suppliers to meet the increased infrastructure demand. As a result, Internet
bandwidth—the information-carrying capacity of communications lines—has
increased tremendously, while hardware costs have plummeted.
From book "C How to Program", page 88.
With Tommy
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