''Expand on the summary, if appropriate. A couple sentences suffices to explain the goal, but the more details you can provide the better.''
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It allows users to connect with each other over wireless in an ad hoc manner without infrastructure like an Access Point. This is the so called under a tree scenario. OLPC provided that functionality using hardware mesh. This feature allows to provide that functionality with nearly all the wireless hardware. Furthermore it allows you to do internet connection sharing.