You are an enterprise application developer. You are creating a distributed application that requires asynchronous communication between the UI layer and the business layer. The application must ensure reliable delivery of messages between the components. There are no restrictions on the format. Messages are limited to 4 MB in size. For scalability reasons, you create the business logic components as serviced components. You need to choose the most appropriate component implementation for your business logic components. You want to achieve this goal by using the least development effort. Which implementation approach should you choose?

A.
Queued components

B.
Message Queuing triggers

C.
XML Web services

D.
Custom receivers