Hey there,
Sorry to hear your experiencing connection instability. If you haven't done so yet, please follow the Network Troubleshooting Guide for instructions on how to optimize networks for playing Destiny:
https://www.bungie.net/en/Support/Troubleshoot?oid=12915
English
-
I've done all that. When I loose connection for the second time I power everything down. Let it cool down 5-10 min then try again then give up after more glitches and another disconnect I give up. For the night. :-/