Latency/Connection Issues Since the Launch of the EU Data Center

[Glowy]

Name of Internet Service Provider (ISP)
Telekom

Country of residence
Germany

When does the problem occur (e.g. only during specific times such as in the evenings?)
Throughout the entire day, getting worse at lunchtime, in the evening 6 pm its nearly unplayable.

Frequency of problem (e.g. every 2 minutes)
- Constantly someone is "porting" around.
- Freezes for 1-2 seconds every 1-2 minutes (but this appears mostly in dungeons/trials)
- Daily lag issues appear since 1-2 Weeks now.

Game content in which the issues occur (e.g. dungeons, trials, certain areas)
General Lag issues everywhere

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Edit 26.01.2016
25.01. 5-8 pm CET there where no lags, no freezes or other issues. At 8 PM there were some peaks in FATES, but the area was very well crowded.

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Edit 27.01.2016
26.01. 7-8 pm CET absolutly unplayable, huge lags and porting around (FATES). At 9 pm it went a bit better.

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Edit 28.01.2016
27.01. 5-7 pm CET unplayable, huge stutter, lag spikes and "porting" (FATES). At 8 pm it went better.
Sidenote: Did anyone read this Threads or is someone care/addressed about this heavy performance issues who people getting more and more. To play this game isn´t any enjoyable at this state.

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Edit 01.02.2016
31.01.2016 10 am - 8 pm CET This was the worst day in FF14 since we play it. Such a lag, stutter, freezing thing, not one second it went smooth, It feels like we had a average ping of 1000ms, hube Packet losses. Never experienced such horrible lag and only in this game.
This Lagshow is day by day getting worse for 3 weeks now. Our pain treshold is reached.

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Edit 02.02.2016
01.02.2016 5pm - 8pm CET No issues, perfectly smooth. But at 8 pm the stutter and lags were about to began, so i logged off.

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Edit 03.02.2016
02.03.2016 5pm - 8pm CET There was the lag again, stutter, freez again. At 9pm i ran in a Random Dungeon, 3 guys (incl. me) had disconnects with 90k Errors.