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1 Chpater 4 - 1 Chapter 4 1 2 What are the differences...

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1 C h a p t er 4 1 What are the differences between forwarding and routing? Describe their interplay relationship. Routing determines route taken by packets from source to destination utilizing routing algorithms. It’s like the process of planning trip from source to the destination. It is a function that transfers data between networks using 2 routers and specific routing protocols for the destination (output) path of the data. Forwarding moves packets from a router’s input to appropriate router output; as if a process of getting through single interchange. It is a direct “in out” of a data packet to one specified output using a single router. In short , Forwarding is about moving a packet from a router’s input link to the appropriate output link. Routing is about determining the end-to- routes between sources and destinations. Regarding their interplay relationship, routing schedules while forwarding dispatches.
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