Networks & Connectivity Technology

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Networks & Connectivity Technology URLs © EIT, Author Gay Robertson, 2017

How the internet works in 5 mins The internet is not a fuzzy cloud. The internet is a wire, actually buried in the ground. Computers connected directly to the internet are called "Servers" while the computers you and I use are "clients" because they are not connected directly to the internet, but through an Internet Service Provider. Routers shuttle packets of information across the internet, and transmit e-mail, pictures, and web pages along the wire in the ground. Duration 4 m 48 s https://www.youtube.com/watch?v=7_LPdttKXPc

What is Internet Traffic Video describing how the Internet works and the role that scheduling of Internet traffic plays in moving data to its final destination Duration: 3 m 41 s https://www.youtube.com/watch?v=ZonvMhT5c_Q&feature=youtu.be

The Physicality of the Internet When a squirrel chewed through a cable and knocked him offline, journalist Andrew Blum started wondering what the Internet was really made of. So he set out to go see it - the underwater cables, secret switches and other physical bits that make up the net. ”Wired people should know something about wires.” Duration 12 m https://www.youtube.com/watch?v=XE_FPEFpHt4&feature=youtu.be

Google’s submarine Internet cable The SUPER-FAST cable linking the USA and Japan has a peak capacity of 60 terabits per second. This started operating in 2016 Duration: 2 m 57 s https://www.youtube.com/watch?v=0TZwiUwZwIE&feature=youtu.be

Undersea Cable Map Every time you visit a web page or send an email, data is being sent and received through an intricate cable system that stretches around the globe. Since the 1850s, we've been laying cables across oceans to become better connected. Today, there are hundreds of thousands of miles of fiber optic cables constantly transmitting data between nations. Duration 2 m 22 s https://www.youtube.com/watch?v=IlAJJI-qG2k&feature=youtu.be

Google’s Data Centre Data centers are used by organisations for remote storage, processing, or distribution of large amounts of data Joe Kava, VP of Google's Data Center Operations, gives a tour inside a Google data center, and shares details about the security, sustainability and the core architecture of Google's infrastructure. Duration: 5 m 28 s https://www.youtube.com/watch?v=XZmGGAbHqa0&feature=youtu.be

Okay, let’s go use the workbook Graphic from https://thenextweb.com