Here a vidéo i make to show you the lags and when you go closer and closer you will be disconected and you can no more conect ingame (session lost)
https://youtu.be/X6aQx7l6ATA
My config :
Nvidia Gforce 980 GTX
I7 - 5930
Memory : 32Go
HD : Samsung SSD 1T x 2
Config Ingame : i follow this config : http://www.dayztv.com/video/dayz-fps-guide/
I never get this issue before the 0.58