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Basically the geographical area which a router is used in term to define range

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Posted by crouse

Region is basically the geographical area which a router is used in term to define range

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Posted by HamidAliKhan

When hierarchical routing is used, the routers are divided into what we call regions, with each router knowing all the details about how to route packets to destinations within its own region, but knowing nothing about the internal structure of other regions.

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Posted by jaren