Where does routing occur within the DoD TCP/IP reference model?
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Routing occurs at the Internet layer within the DoD TCP/IP reference model. The Internet layer, also known as the network layer, is responsible for routing and forwarding packets between different networks. This layer is responsible for the logical addressing of network devices and the routing of data packets from the source network to the destination network.
The Internet layer provides a standardized interface for the transmission of data between different types of networks. This layer uses Internet Protocol (IP) to provide addressing and routing capabilities. IP is responsible for breaking down data packets into smaller segments, routing them to their destination, and then reassembling them into the original data packet.
Routing within the Internet layer is accomplished through the use of routing protocols, such as the Border Gateway Protocol (BGP), Open Shortest Path First (OSPF), and Routing Information Protocol (RIP). These protocols allow routers to exchange information about the network topology and determine the best path for data packets to take through the network.
In summary, routing occurs at the Internet layer within the DoD TCP/IP reference model, which is responsible for addressing and routing packets between different networks using the Internet Protocol (IP) and routing protocols.