java - Clustering vs Replication -



java - Clustering vs Replication -

there n clients, main concern is of them online (the more better) much time. there 1 server, reasons of budget , powerfulness consumption. have seen problem many angles, exposed in give-and-take strategies java orm unreliable network , low bandwidth summarized options.

clustering. using terracotta , using sec server (passive) installed on node. replication / synchronization. original idea: allow nodes offline during network failures , restart operations.

what recommend?

ps if there wrong in reasoning please tell me

thanks thoughts. application simple point of sale. after thinking , analyzing reply seek store users, products , sales in dso's (using boxes servers , nodes @ same time). @ 1 time server database available pour sales according producer-consumer pattern.

and apology short communication skills, i'm still learning english!.

java hibernate network-programming replication cluster-computing

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