RE: Collaboration using Event Sourcing

I believe Greg covers these kind of systems in his online course. Check
out the video titled - "Occasionally Connected Systems" - http://subscriptions.viddler. com/GregYoung

--- In [email protected], <ashley.mcneile@...> wrote:

Hi

I am not sure that I totally understand the scenario you are
considering, but it seems to me that you should consider Service
Choreography ( http://en.wikipedia.org/wiki/Service_choreography )
as an approach.

Choreography is a technique for designing stateful collaborations
where participants interact by asynchronous messaging over a
network. In particular, it is concerned with how you ensure by
design that the final state of the participants is consistent.

Regards

Ashley

On 20/09/2013 22:55, justinstuparitz@... wrote:

I have a business domain where a team of people will go
somewhere and collaborate together with fat clients over a
local network and possibly a remote network. They will
also sometimes be offline. I envision a rich domain with
events and the use of event streaming. Events would occur
locally per client and then need to be published. The
subscribers would need to process the events as an
idempotent operation. The clients need to be eventually
consistent. Can an asynchronous event publish/subscribe
model work here? Does it make sense? I would think some
sort of callback would be in order so that events are not
continuously sent over and over with the use of some sort
of projection snapshot?

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