Listen First Broadcast Later for Interest Forwarding in Named Data Networks Over LLNs

This study is among the first to explore the adoption of Listen First Broadcast Later (LFBL) for interest forwarding in Named Data Networks (NDN) over Lower Power and Lossy Networks (LLNs). To this end, the performance of LFBL is compared to the existing Probabilistic Flooding (PF) and Deferred Blind Flooding (DBF). Our study demonstrates that LFBL provides superior performance tradeoffs by achieving comparable satisfaction ratios and response times while significantly reducing energy consumption. This advantage stems from LFBL's ability to avoid excessive interest forwarding away from the producer, distinguishing it from DBF and PF. Our findings highlight LFBL as a promising approach for interest forwarding in NDN over LLNs.