What is a router? Routers are responsible for transmitting packets from one end host on the internet, maybe a laptop to and from other end-hosts that are connected to the internet like a web server that we are accessing. Routers are not computers that you might recognize, routers are specialized pieces of computer hardware that is built to do one task over and over and over again and that determines where a packet should go. If the router only has two connections then when a packet comes in on one connection, it has to go out on the other and to some degree, there's no real point to have a router there at all same thing with the other direction because a router is on a destination for traffic it's just there to route traffic to move it towards a destination that's an important distinction between end hosts and routers. An end host can be a PC or a server... Routers typically don't initiate that much traffic, they can initiate a little bit maybe usi...
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