Connect two Yuns

excuse me
i want to ask
How to send information between two Yuns using wireless method?
i just know use one Yun to connect internet,
but my project have to use two Yuns and send messages and informations between these two Yuns
Could anybody teach me how to do this?
thank you~

Please read here Send informations from Yun to Yun - Arduino Yún - Arduino Forum