2. The method to realize one IP per machine: dial the network cable and dial through the router. This way is also a more mature way to solve one IP problem. The mobile game studio can access multiple network cables, and then dial through the router, so that different devices become independent IP.
3. Avoidance method: try to use internal help, and retail investors don't have to care too much. Large households use internal assistance as much as possible, and even many large households package or invite technology development by themselves. This can at least avoid the monitored version.