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




On Sat, Sep 21, 2013 at 10:35 PM, Ashley at Metamaxim <
[email protected]> 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, [email protected] 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?
>
>
>  
>