Time-sensitive data delivery

摘要: Time-sensitive data delivery is described. In one example, time-sensitive transmitted from a server to plurality of client terminals using separate queue for each the and at least serving engine queues. Requests are received subscribe topic, and, when message relating topic received, stored reference added terminal Each independently served by its associated engine. The determines transmit queue's independence on contents. For comprises low-priority higher-priority sub-queue. Low-priority messages only no pending, divided into fragments such that their transmission does not impede incoming messages.