Adding multiple interfaces to a service allows you to reuse the service. The following are examples of how you might use multiple interfaces for one service:
Add an interface for each queue that a service can use.
Add interfaces to allow the service to send different queries to different databases. Additionally, one of the interfaces could be a public interface to a database.
Add both a public and a private interface for a Web service.
Add an additional interface to a service the same way you added the first interface to your service. The topic Creating a Service for <the type of service you are working with> Service includes this task.
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