Overview

Background information

MNS provides the following two types of message services: queue-based message services and topic-based message services.

• Queue-based message services: 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 message services: 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 queue-based message services

In this example, messages are sent and received in the MNS console. The procedure is shown in Figure 1.

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 topic-based message services

Topic-based message services support 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. The procedure is shown in Figure 2.

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 multi-language SDKs to send and receive messages, see SDK reference.