STT Web Service Message Queue Notes 1 If the server fails the client must take responsibility to handle the error. If the server fails, the queue persist the message (optionally, even if the machine shutdown). + Some Message Queue: RabbitMQ, Beanstalkd, ActiveMQ, IBM MQ Series, Tuxedo. + Web service: Restful, SOAP Service. 2 When the server is working again the client is responsible of resending it. When the server is working again, it receives the pending message. 3 If the server gives a response to the call and the client fails the operation is lost. If the server gives a response to the call and the client fails, if the client didn't acknowledge the response the message is persisted. 4 You don't have contention, that is: if million of clients call a web service on one server in a second, most probably your server will go down. You have contention, you can decide how many
Think big, start small, move fast.