Mininet-WiFi: Understanding the difference between adhoc and mesh wireless networks

WIreless ad-hoc operates at OSI Layer 1 and all devices can communicate directly to any other device that is within radio range.

Wireless mesh, on the other hand, operates at OSI Layer 3 and provides the multi-hop facility that Ad-Hoc mode lacks by means of mesh routing where each device on a network acts as a router and re-transmit packets on behalf of any other devices. .