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Subject: Re: [sca-assembly] eventing & policies

Hi Ashok,

Since the point you raise seems to apply whatever approach we take
towards eventing, it seems like that is a separate issue that you or I
should raise, and doesn't really affect the question of whether or not
we should open the issue in question.

Did I miss something?


On 05/13/2010 12:30 PM, ashok malhotra wrote:
> Hi Eric:
> Re. policies the eventing spec merely carries over what the assembly
> says about policies on services/references
> to producers/consumers.  I'm not sure this is correct.  We need to
> think some more about policies in the eventing
> situation.  At one time I thought you could apply policies only to
> producers and consumers could accede to the
> producers policies or lump it.  But there are event models in the
> database world where there is one producer and
> one consumer (tell me if IBM stock trades for over $100) and in such
> cases it does make sense for the consumer
> and producer to match policies.
> The problem I see with policies on channels is that the channel can
> act as an aggregator for events from from
> several producers, so what policies does it employ?>
> All the best, Ashok

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