I am on 600 Mbits/s wired connection and recently been getting more frequent disconnects even when running solo or in missions with 3 other players.
When I check the in-game connection status it shows latency 48-50ms, packet loss 0.00% and incoming/outgoing 20 Pps, send rate 1270 Kbps and Receive rate 2400 Kbps (This is on the PS4 NA region).
I am not sure if there is anything I can do, but this morning I got disconnected from two heroic missions during the final boss and sadly when I joined back the mission was over.
Not sure if this is a known issue.
Edit: As other have said, this happens more on Heroic and above difficulty.
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