Opportunistic Message Broadcasting with Pheromone-Based Caching
Tomoyuki Sueda, Naohiro Hayashibara · 2018
Opportunistic communication is widely used to diffuse messages in delay-tolerant networks, vehicular ad hoc networks~(VANETs), disaster evacuation guidance, mobile advertising, etc. It depends on the ratio that mobile entities~(agents) encounter one another because they exchange messages when they come across others. To improve the efficiency of message dissemination, indirect messaging such as caching is considered to be useful in addition to direct messaging. In this paper, we introduce a pheromone-based caching located each node in a square grid graph to improve the efficiency of message dissemination with opportunistic communication. We also measure it with Lévy walk movement pattern to clarify the impact of the caching technique.