https://devzone.nordicsemi.com/f/nordic-q-a/28926/a-little-question-about-notifyHi,nordic： At this topic: devzone.nordicsemi.com/.../ I know that notify is 100% safe in LL.Before that,i know in bluetooth core4.2 LL has SN and NESN field to guarantee the order and arrival of packets.Now i want to confirm that whether theen-USTelligent Community 13Thu, 04 Jan 2018 11:32:35 GMThttps://devzone.nordicsemi.com/thread/114460?ContentTypeID=1Thu, 04 Jan 2018 11:32:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:3d342adb-0c9e-4677-abee-3237ecefb333Ge<p>Thank you very muck！！！</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/114459?ContentTypeID=1Thu, 04 Jan 2018 07:29:58 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0b9f5ff9-5cd2-4f67-8f91-d6b9b7dd0727ovrebekk<p>Hi</p> <p>As endnode pointed out in the original thread the link layer will ensure correct packet delivery and ordering.</p> <p>The only way a packet can get lost is if the link is disconnected before the packet has been successfully sent (and if this occurs you will get notified by the disconnected event).</p> <p>Best regards<br /> Torbjørn</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/114458?ContentTypeID=1Thu, 04 Jan 2018 01:03:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:c887654c-52e6-4e33-b4f0-ef5804a50359Ge<p>Ok, thank you</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/114457?ContentTypeID=1Wed, 03 Jan 2018 12:39:03 GMT137ad170-7792-4731-bb38-c0d22fbe4515:23e6db7b-f0c8-4b60-a6e9-84a9c831080aendnode<p>Sure it is. Everyone is using it with all Nordic BLE stacks (Soft Devices) from the day when it was released for nRF51 5-6 years ago.</p><div style="clear:both;"></div>