> Hello,
>
> Indeed FB 4 seems to have features to reach my goal.
> I was actually missing NBAK incremental restore feature.
>
> Thank you for highlighting this.

No experience with that, but you might contact IBPhoenix regarding a Firebird 3 fork:
http://www.ibphoenix.com/products/software/avalerion

The HQBird distribution by IBSurgeon also has a "native" replication offering included:
http://www.ibsurgeon.com/en/hqbird/



--
With regards,
Thomas Steinmaurer
http://www.upscene.com

Professional Tools and Services for Firebird
FB TraceManager, IB LogManager, Database Health Check, Tuning etc.