I have a scenario for WCF service A implementation where in one one WCF service interface method make multiple async calls to 4 separate WCF service interfaces to get some data (all 4 services have separate set of methods interacting to different servers
over internet to get some data basis the input provided). The data thus returned to the WCF service A will be collated & maintained in cache & then will be used to make further 4 subsequent async calls to these 4 separate WCF services for different
methods from WCF service A.
The wcf service A will be invoked from a portal asynchronously supplying the input parameters.
I would like to know if any one out here has ever done something like this & if yes then any challenges faced?
Or else how to achieve this kind of functionality using some other concept keeping the first level WCF service intact...
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