July 26, 2016 at 05:00 PM (CET)
The Camunda BPMN process engine supports two ways of executing service tasks:
External (service) tasks work in a way that the process engine publishes a unit of work to a worker to fetch and complete. This pattern provide some very interesting advantages:
Temporal Decoupling: No need for Message Queues.
Polyglot Architectures: Easier to call Camunda REST API from a .NET client than expose a REST API on top of your .NET service so that Camunda might call it.
Better Scaling Patterns: Easier to start/stop workers that call Camunda REST API than set up a load balancing for your workers (services).
Connect Cloud BPM to On Premise Services: Easier to call Camunda REST API from behind a firewall than let Camunda BPM call your service behind the firewall.
Avoid Timeouts: Easier to handle long-running services since you do not need to implement an asynchronous service call / wait for callback.
In this webinar, we will look at some practical examples that will help you to apply the external task pattern in your own process applications, if appropriate.
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