Fig. 4From: 5G device-to-device communication security and multipath routing solutionsMethod 3 Random Direct Path. a Step 1. Nodes adjacent to the source node, shown in red, are evaluated according to their distance to the destination. b Step 2. A shortest-distance first path is chosen. c Step 3. The first path nodes are removed, and a second path is chosen using the methodology of step 1. d Step 4. Message is sent over two pathsBack to article page