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The Internet plays an important role in our daily life. Today, everyone is “connected” to everyone else almost at any given instant as we are connected to the Internet most of the time and interacting with others through e-mails or instant messengers like Skype or are using some applications on the web. With the innovation of high-speed computing devices, large-scale deployment of wireless networks, Web 3.0, Cloud computing, and social networks, “always connected” is a reality. The Internet continues to grow exponentially. Most of the businesses are connected on and through the Internet. E-commerce, e-business, and other Internet-related businesses are growing at a faster rate than ever before. According to an estimate by one of the leaders in network systems and services, the number of globally connected devices, which was around 8 billion in 2013, is expected to reach 25 billion by 2015, outnumbering the people by twice as much. And the number of devices that are going to be connected to the Internet is estimated to go as high as 50 billion by the year 2020. 1 According to the latest statistics, more than 75% of the world’s population will be connected to the Internet by 2020. The Internet is bringing together people, processes, and data to make network connections more relevant to today’s world. Demand for network-based applications and services are exponentially growing.
Umesh Hodeghatta Rao
- Chapter 10
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