November 2006
Beginner
432 pages
5h 24m
English
Content preview from How the Internet Works, Eighth Edition
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Chapter 6. How Routers Work
Routers are the traffic cops of the Internet. They ensure that all data gets sent to where it’s supposed to go via the most efficient route. When you sit down at your computer and connect to the Internet and send or receive data, generally that information first must go through at least one router—and often more than one router—before it reaches its final destination.
Routers open the IP packets of data to read the destination address, calculate the best route, and then send the packet toward its final destination. If the destination is on the same network as the sending computer, such as within a corporation, ...
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