Associativity-based routing
Associativity-based routing (commonly known as ABR) is a mobile routing protocol invented for wireless ad hoc networks, also known as mobile ad hoc networks (MANETs) and wireless mesh networks. ABR was invented in 1993, filed for a U.S. patent in 1996, and granted the patent in 1999.
Source: Wikipedia — Associativity-based routing (CC BY-SA 4.0)