how does the internet function
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The information used to get packets to their destinations are contained in routing tables kept by each router connected to the Internet. Routers are packet switches. A router is usually connected between networks to route packets between them. Each router knows about it's sub-networks and which IP addresses they use.
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It is a network that routes packets from a source computer to a destination computer. The Internet is made up of a massive network of specialized computers called routers. ... A packet will have moved through multiple routers during its journey. When a packet moves from one router to the next, it's called a hop.
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