Scalability, Clustering

I've searched Mosix, Dipc, Postgres mailing-lists and used google about the 
possibility to cluster ,load balance, Postgresql databases.

Mosix isn't good to clucter Postgresql because of shared memory.

Can be Dipc (http://wallybox.cei.net/dipc/) suitable for this task without 
changing postgres' sources (probably only cpu balancing, no data)?


If PostgreSQL Inc. will do a replication server, will be possible?

And Mariposa (http://mariposa.CS.Berkeley.EDU/download.html) ?

My question isn't an academic one, i (probably WE) really need this feature.

thank you in advance for you reply.

valter
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