Dogs are one of the best pet to be kept. People love to keep them as their pet since ages. We have seen many big dignitaries keeping a close association with the dogs. Also dogs are helping Army and the policemen in doing the job which otherwise was impossible. Dogs can be of different nature depending on the breed and the environment they grow. Some dogs are silent and obey their master while some dogs try to be on active side and are tough to control. An active dogs are good dog as they keep things more in watch but controlling them nonetheless is a problem.
A problem with active dogs arises when they try to grow up. They develop a tendency to run away or cross the permissible limit. In this case you need some fencing so that they can be kept in a boundary. If you want to physical set a fencing then invisible dog fence is the thing you should look out for. This is spread with wires around the boundary you want your dog to stay. If your dog try to cross that area then he will receive a shock. It is one of the most common way people keep their place protected and their pet within a boundary.
Also now the market place has wireless pet fence for the pet owners. You just need to set a parameters using flags and poles which acts as a transmitter and if your dog tries to cross that area it gets a shock. This is also one of the good and best way to keep active dogs under control. Active dogs once trained becomes one of the most useful pet and many army pets are the active one. You should also control your active dog in such fashion so that he obeys you.