1. An apparatus for modeling and analyzing a network simulation for a network simulation package, comprising: a system logic generator which generates a system logic set including a network simulation modeling rule and a simulation statistics calculation rule; a model generator which forms the network simulation modeling suitable for a predetermined simulation application according to the network simulation modeling rule of the system logic set; a simulation core interface which transmits the network simulation modeling to a predetermined network simulation package, and receives a result obtained after the network simulation modeling is performed; and a statistics processor which generates statistical information from the result received from the simulation core interface according to the simulation statistics calculation rule of the system logic set.