https://devzone.nordicsemi.com/f/nordic-q-a/59371/ble-meshHi Is Managed Flooding architecture is a Standard ? is it mandatory by SIG. For example Nordic Stack include - Messages have a TTL assigned TTL stands for time-to-live , which limits the number of hops a message can take across multiple nodesen-USTelligent Community 13Mon, 23 Mar 2020 14:31:37 GMThttps://devzone.nordicsemi.com/thread/241175?ContentTypeID=1Mon, 23 Mar 2020 14:31:37 GMT137ad170-7792-4731-bb38-c0d22fbe4515:bd806385-c33b-4f79-b3a7-360fd6eb2fcfHung Bui<p>Hi,&nbsp;</p> <p>Yes Managed Flooding is the core technology for Bluetooth Mesh. It allows the communication flow in the mesh network without congestion of too many re-tranmissions.&nbsp;</p> <p>It&#39;s mandatory by Bluetooth SIG.<br /><br /></p><div style="clear:both;"></div>