:Overview

Background information

MNS provides the queue-based messaging model and the topic-based messaging model.

• Queue-based messaging model: MNS queues are used to send messages from a producer to a consumer.

  • Queue-based messaging model

  • Queue-based message flow

  • Features of the queue-based messaging model

  • Queue-related terms

• Topic-based messaging model: MNS topics are used to send messages from a publisher to multiple subscribers.

  • Topic-based messaging model

  • Topic-based message flow

  • Features of the topic-based messaging model

  • Topic-related terms

Get started with the queue-based messaging model

In this example, messages are sent and received in the MNS console. Figure 1 shows the procedure for using the queue-based messaging model.

To use the queue-based messaging model to send and receive messages in the MNS console, perform the following steps:

1. Create a queue.

2. Send a message.

3. Receive a message.

4. Delete a queue.

Get started with the topic-based messaging model

The topic-based messaging model supports multiple types of endpoints, such as email addresses, mobile numbers, queues, and HTTP or HTTPS servers. In this example, messages are sent to a queue. Figure 2 shows the procedure for using the topic-based messaging model.

To use the topic-based messaging model to send messages to a queue in the MNS console, perform the following steps:

1. Create a queue.

2. Create a topic.

3. Create a subscription.

4. Publish a message.

5. Receive a message.

6. Delete a queue.

7. Delete a topic.

References

For information about how to use SDKs for different programming languages to send and receive messages, see SDK reference.