You are designing a Windows Azure application. The application includes two web roles and three instances of a worker role. The web roles will send requests to the worker role through one or more Windows Azure Queues. You have the following requirements： - Ensure that each request is processed exactly one time. - Minimize the idle time of each worker role instance. - Maximize the reliability of request processing. You need to recommend a queue design for sending requests to the worker role. What should you recommend？（）
发布日期：2020-04-10
A.Create a single queue. Send requests on the single queue.
B.Create a queue for each web role. Send requests on all queues at the same time.
C.Create a queue for each workerrole instance. Send requests on each worker queue in a round robin.
D.Create a queue for each combination of web roles and worker role instances. Send requests to all worker role instances based on the sending web role.
