Composite services often call out to external HTTP web services. If these external services are not available, or are slow to respond, then it can impact the application performance. By tuning the timeout to a lower or higher value, performance can be improved.
You will need to be familiar with SOA application development principals for this recipe.
These steps will set the timeout for an external HTTP service:
composite.xmlfile in JDeveloper.
<reference>section for the external service that you want to ...