On 09/30/2016 08:26 PM, Muthukumaran K wrote: > Another important capability of current MDSAL DTCN / DCN is that it’s > also retrospective in nature (ie. even when registration happens later > after the changes have been committed, late-comers still get the > change-notifications) – more like persisted messaging in conventional > brokered messaging system. This plays a major role in applications not > having to bother much about the “recovery” to rebuild their ephemeral > states based on such notifications even if they come up later in their > order of booting.
One property which is important during this recovery is that the data tree is understands the data and operations executed on it, hence it can (and does) provide efficient state compression. Consumers do not end up replaying messages, but recover from a point-in-time snapshot. Regards, Robert
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