That wouldnt really "destroy" the internet though. Every main server/webpage users visit have backups. And destroying every DNS would certainly impede regular traffic for joe nobody, but you can just enter the physical server IP in your browser and end up on the site's page like normal.
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Many websites use virtual hosting which requires hostname sent in HTTP Request headers. (Adding to hosts file would work thought)
But you're right, it wouldn't really destroy internet, but is closest thing to it.
Also far easier than cutting every single cable in every country. Still impossible thought.
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I'm not a network expert, but I've read some books on networking (and penetration testing), so I might be a little help in explaining how the internet works.
Basically, the internet was developed back in the late 1960s by a professor named Leonard Kleinrock. You can think of Leonard Kleinrock as the brains behind the idea of the Internet, as he wanted to find a way to send large amounts of information (he called it Packet Switching, in which you break down large data into smaller pieces of data to prevent lag) through a Wide Area Network (WAN). To do this, he needed to create a connection between his computer (A) and the computer that he wanted to send the data to (B), so he proposed a set of nodes (basically devices connected to each other which then connect to a link and transmit data from two points). Leonard finally got the idea in motion when one of his colleagues, Robert Taylor developed his own network connecting the nodes together, calling it ARPANET.
Up until the early 70s, all of the communication via the Internet was done by the government, primarily the military as a means to easily communicate with their divisions. It wasn't until about 1969 (the year of the Lesbian) that the forefathers of the Internet developed the Interface Message Process (IMP), which was basically like a network switch that helped forward packet data to another device so they could communicate faster.
So now we have our first connection to the Internet, great. What now? Well, the ARPANET that was used to connect devices was too slow, caused packet data loss, and generally had no real standard way of sending any packet data across the Internet. It wasn't until the mid 1970s that Transmission Control Protocol/Internet Protocol (TCP/IP) was created as a standard networking language for packet data. Because of TCP/IP, packet loss was less frequent, connections were faster, and it became more of a commercial success than ARPANET. Around then, we also got Domain Name System (DNS, the naming standard for web sites) and some standard Markup languages for creating sites (HTML, XML, XHTML, etc.).
So where is the Internet located? Everywhere. The Internet is you and me connected to a server, which is then connected to the source of the files, which gets tossed around via Packet Switching to establish a stable connection and prevent data loss and all that mumbo jumbo. If the entire world was effectively cut off of electricity (assuming even the generators failed as well), then presumably we would not have the Internet. The Internet would die. All of its data (which gets archived into many, many, huge servers storing exabytes [1K+ TB] of data) would be stuck forever inside those drives with no way to ever recover them again until electricity was restored and nodes were back up and running.
That's basically the Internet in a nutshell. So, no, one cannot simply delete the Internet, because it is continuously archived, however, it can be turned off. The likelihood of the entire world running out of electricity any time soon is kinda slim, but the consumer level users of the internet are nearing the end of the IPv4 addresses that have can be assigned, so that's why more and more ISPs are offering faster, more secure, IPv6 addresses now.
I'm sure someone with better knowledge of Networking could chime in and add to this, but this is all I've gathered from reading books on Programming and Networking and the like. If you're interested, Leonard Kleinrock's original paper is on the Internet, which details his idea for Packet Switching and nodes.
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It would take an act of God to effectively cut off access to the internet/ destroy the internet. As you mentioned, most sites have back-up of their data, many more have back-ups of their back-ups.
The most effective thing to do to effectively kill the internet would be to destroy the 40-120? DNS root/master servers in some fashion. This would cut out about 80% of current traffic or so, the other 20% being users/bots that have a local copy of a DNS store, or an IP memorized.
The next thing that someone "could" do would be to physically cut the links connecting countries. The undersea cables that transmit exabytes of data every second along the ocean floor. This though wouldnt cut off access to local intranets, EX Americans could still use google and Amazon's US servers with almost no issues. Added to that, their are still satellite links that businesses, governments and even consumers use to transmit data across the globe.
Governments and corporations both have a hefty investment in cable infrastructure, with many lines owned by sole entities and guarded in some fashion.
The ONLY sure fire way to remove the internet would be a global EMP that managed to fry every server, PC, and all the backups. OR to kill off a very hefty share of the globe rendering the Internet's function moot.
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In other words, very, very difficult to kill/destroy the Internet. It would take a team of Bad Rats members to effectively do the job. :P
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You mean like US to EU? Because I dont think thats true. Yes, satalite transmissions are a key part in total connection/routes, but the physical lines composed of thousands of miles of fiber optic cable are by far the heaviest trunks for traffic. I suppose if you said global data, which is composed of not just strictly IP/TCP packets for Internet usage but also things like TV/radio/voice data. Even then, the physical lines carry far more than the total capacity of all the satellites in orbit.
The best I can find is ViaSat which says its total throughput is .14Tb/s, which, at the time was equivalent or more than every satellite's combined capacity covering north America. Current technology has certain trunk lines such as this with a capacity of 3.2Tb/s, with actual reported usage at 1.9Tb/s
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Or...you know...this: http://gizmodo.com/5912383/how-to-destroy-the-internet
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OMG! I remember this! :D Double click and grab your dick! :D
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God is in charge of the internet and only Jesus can delete it. But keep in mind, no internet means no steam!
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I never really got this, and how it works. What "powers" the internet? Where does it derive its "source" (or something) from? If every computer (and any other internet-capable device) were to shut down, where does the internet "standby"? Or if the entire world experienced a total power outage - where does the internet "reside" when it's not in use? What makes it up?
And how would I "delete" the internet? Taking down every possible website wouldn't count as "deletion" if another website could be added. Simply turning off the world's electricity wouldn't count either - I'm thinking of that era when electricity was being used for things that weren't related to wireless connections and networks, like Edison and his lightbulb.
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