... give this information to the people on the first floor The people in the first floor actually go to the store, buy all the ingredients, and bring them back to the apartment building Once the ingredients ... own information to it, then sends it to the next layer down the stack Once the packet reaches the bottom of the stack, it travels along the network wire to the remote host, then travels up the ... purchased, the process goes in reverse The first floor gives the raw ingredients to the second floor The second floor checks that all the ingredients are there and then hands them off to the third...