Telecommunication and IT is at the center of all sectors. Businesses, government institutions, and defense sectors have been utilizing telecommunication and IT components to perform their operations effectively and efficiently. This not only includes verbal communication over landlines, satellite and mobiles phones but also exchange of data and information through internet. This large amount of data and information sharing needs devices with capacity to transmit accurate data with high speed, which along with intense competition and technological innovations, has been continuously improving the capacity of fiber optics and mobile wireless internet. Fiber optics now has 100 Gbps (gigabits per second) from earlier 10 Gbps and is estimated to reach 400 Gbps, whereas, mobile internet is advancing through 3G to 4G carrier speed.
Use of mobile devices has changed the way people connect and interact. Rising trend in mobile and tablet usage has also promoted the adoption of cloud computing and Internet of things (IoT), where most of the devices are always connected and are streaming information through the internet, stored on the cloud. Heavy use of internet and always connected concept has led to rise of smart devices such as smart TV, smart watch and other smart appliances. This has also intertwined the entertainment sector with the telecom industry, where broadband and telephone service providers are promoting bundled packages including telephone, the internet, cable TV network, voice over internet protocol, etc.
Constantly communicating devices require large, cost effective and efficient infrastructure to store the massive amount of data generated, which has resulted in the advancement of data centers and networks. Software defined network, server virtualization, network function virtualization are some of the advanced technologies being used in the data centers.
Though there have been rapid improvements in infrastructure recently, security issues such as cyber- attack, data privacy, system failure, physical security breach, etc. are still a concern around the world.
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