There are many wireless routers used for home networks or small office equipped with features such as the DMZ of the Linksys WRT610N. Wireless routers are equipped with DMZ feature allows you to place one computer that can be exposed to the Internet with a specific purpose such as for online gaming or video-conferencing.
DMZ hosting forwards all ports at the same time to one PC. Port forwarding feature is more secure because he only opens the ports you want to open it, while DMZ hosting opens all the ports of one computer, mengexpose computer to the Internet.
For example on Linksys WRT610N you can configure a PC or gaming console for online gaming, which is separate from your private network. You can access the Web-based utility of this WRT610 and entered into the Application menu> DMZ to DMZ enable this feature. Enable the DMZ feature of this first and then do its configuration.
Select IP address or enter a specific IP address manually from computers on the Internet is allowed into the existing access to a PC on the network. You also need to enter IP address or MAC address of the PC / console game that you want exposed on the Internet and can diakases from the Internet.