Now a days internet plays an essential role in our daily life, just like a bread and water. However maximum number of people use internet today. But can we actually knows what is Internet? Is Web and Internet the Same? From where it comes? Who owns the Internet? Maximum number of people having these questions. So let’s discuss them, and try to clear out all the things.
What is Internet?
Internet, a system architecture that has revolutionized communications and methods of commerce by allowing various computer networks around the world to interconnect. Sometimes referred to as a “network of networks,” the Internet emerged in the United States in the 1970s but did not become visible to the general public until the early 1990s. By 2015, approximately 3.2 billion people, or nearly half of the world’s population, were estimated to have access to the Internet.
As computing advanced, peer-to-peer (P2P) communication was gradually delivered and enhanced. Since the 1990s, the internet has greatly influenced and upgraded networking to global standards. Billions of internet users rely on multiple application and networking technologies, including:
Internet Protocol (IP): The internet’s primary component and communications backbone. Because the internet is comprised of hardware and software layers, the IP communication standard is used to address schemes and identify unique connected devices. Prominent IP versions used for communications include Internet Protocol version 4 (IPv4) and Internet Protocol version 6 (IPv6).
Communications: The internet is the most cost-effective communications method in the world, in which the following services are instantly available:
- Web-enabled audio/video conferencing services
- Online movies and gaming
- Data transfer/file-sharing, often through File Transfer Protocol (FTP)
- Instant messaging
- Internet forums
- Social networking
- Online shopping
- Financial services
There are four categories of Internet:
- Surface Web
- Deep Web
- Dark Web
To Learn More About these categories click here.
The internet originated with the U.S. government, which began building a computer network in the 1960s known as ARPANET. In 1985, the U.S. National Science Foundation (NSF) commissioned the development of a university network backbone called NSFNET. The system was replaced by new networks operated by commercial internet service providers in 1995. The internet was brought to the public on a larger scale at around this time.
Is Web and Internet the Same?
The Internet is not synonymous with World Wide Web. The Internet is a massive network of networks, a networking infrastructure. It connects millions of computers together globally, forming a network in which any computer can communicate with any other computer as long as they are both connected to the Internet. The World Wide Web, or simply Web, is a way of accessing information over the medium of the Internet. It is an information-sharing model that is built on top of the Internet.
Who Owns the Internet?
No one actually owns the Internet, and no single person or organization controls the Internet in its entirety. The Internet is more of a concept than an actual tangible entity, and it relies on a physical infrastructure that connects networks to other networks.
Owning Pieces of Infrastructure
There are many organizations, corporations, governments, schools, private citizens and service providers that all own pieces of the infrastructure, but there is no one body that owns it all. There are, however, organizations that oversee and standardize what happens on the Internet and assign IP addresses and domain names, such as the National Science Foundation, the Internet Engineering Task Force, ICANN, InterNICand the Internet Architecture Board.
Number of Worldwide Users
According to Internet Live Stats, as of September 26, 2018 there was an estimated 4,029,905,748 Internet users worldwide. The number of Internet users represents nearly 40 percent of the world’s population. The largest number of Internet users by country is China, followed by the United States and India.
In September 2014, the total number of websites with a unique hostname online exceeded 1 billion. This is an increase from one website (info.cern.ch) in 1991. The first billion Internet users worldwide was reached in 2005.
How Internet Works ?
The most widely used part of the Internet is the World Wide Web (often abbreviated “WWW” or called “the Web”). Its outstanding feature is hypertext, a method of instant cross-referencing. In most Web sites, certain words or phrases appear in text of a different color than the rest; often this text is also underlined. When you select one of these words or phrases, you will be transferred to the site or page that is relevant to this word or phrase. Sometimes there are buttons, images, or portions of images that are “clickable.” If you move the pointer over a spot on a Web site and the pointer changes into a hand, this indicates that you can click and be transferred to another site.
Using the Web, you have access to billions of pages of information. Web browsing is done with a Web browser, the most popular of which are Chrome, Firefox and Internet Explorer. The appearance of a particular Web site may vary slightly depending on the browser you use. Also, later versions of a particular browser are able to render more “bells and whistles” such as animation, virtual reality, sound, and music files, than earlier versions.
The Internet has continued to grow and evolve over the years of its existence. IPv6, for example, was designed to anticipate enormous future expansion in the number of available IP addresses. In a related development, the Internet of Things (IoT) is the burgeoning environment in which almost any entity or object can be provided with a unique identifier and the ability to transfer data automatically over the Internet.
While the precise structure of the future Internet is not yet clear, many directions of growth seem apparent. One is the increased availability of wireless access. Wireless services enable applications not previously possible in any economical fashion. For example, global positioning systems (GPS) combined with wireless Internet access would help mobile users to locate alternate routes, generate precise accident reports and initiate recovery services, and improve traffic management and congestion control. In addition to wireless laptop computers and personal digital assistants (PDAs), wearable devices with voice input and special display glasses are under development.
Another future direction is toward higher backbone and network access speeds. Backbone data rates of 10 billion bits (10 gigabits) per second are readily available today, but data rates of 1 trillion bits (1 terabit) per second or higher will eventually become commercially feasible. If the development of computer hardware, software, applications, and local access keeps pace, it may be possible for users to access networks at speeds of 100 gigabits per second. At such data rates, high-resolution video—indeed, multiple video streams—would occupy only a small fraction of available bandwidth. Remaining bandwidth could be used to transmit auxiliary information about the data being sent, which in turn would enable rapid customization of displays and prompt resolution of certain local queries. Much research, both public and private, has gone into integrated broadband systems that can simultaneously carry multiple signals—data, voice, and video. In particular, the U.S. government has funded research to create new high-speed network capabilities dedicated to the scientific-research community.