@EA_Atic that post you linked is from 14 days ago. Has the fix mentioned been applied? If so it's not working.
Tonight apart from the usual dc at the beginning and the end of matches (ranked) there was a new twist. A dc after about 2 minutes into the game. What seemed to trigger it initially and in a subsequent test, was going into the squad menu to look at my team mates stats, leading to an immediate dc. Needless to say I didn't do it again and things returned to the new normal 😃
Xbox london server. I can't post a clip as xbox only records while games are active, so all it would show is me re-entering the game not the dc.
Perhaps given recent events, the following information may also be of value: (albeit from 4 years ago)
https://www.quora.com/As-a-software-developer-how-often-do-you-leave-a-backdoor-in-your-code