Question: We said that a network layers service model defines the characteristics of end-to-end transport of packets between sending and receiving hosts. What is the service

We said that a network layer’s service model “defines the characteristics of end-to-end transport of packets between sending and receiving hosts.” What is the service model of the Internet s network layer? What guarantees are made by the Internet’s service model regarding the host-to-host delivery of data-grams?

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