How Routers Work
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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 connect to the Internet and send or receive data, the information 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 router, the router sends the packet directly to the destination computer.
If the packet is going to a destination far from current router, the router sends the packet to another router closer to the destination.
That router in turn sends the packet to a yet-closer router, and so on, until the packet reaches its final destination.
When routers determine the next router to receive packets, factors such as traffic congestion and the number of hops (routers or gateways on any given path) come into play. The IP packet carries a segment that holds the maximum hop counts it can travel, and a router will not use a path that would exceed that predefined number of hops.
المادة المعروضة اعلاه هي مدخل الى المحاضرة المرفوعة بواسطة استاذ(ة) المادة . وقد تبدو لك غير متكاملة . حيث يضع استاذ المادة في بعض الاحيان فقط الجزء الاول من المحاضرة من اجل الاطلاع على ما ستقوم بتحميله لاحقا . في نظام التعليم الالكتروني نوفر هذه الخدمة لكي نبقيك على اطلاع حول محتوى الملف الذي ستقوم بتحميله .
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