tencent cloud



Last updated: 2022-02-11 11:43:52

    Async Communication Protocol

    The message sender can immediately get the returned result after sending a message to TDMQ for CMQ without the need to wait for the recipient's response. The message will be saved in the queue until fetched out by the recipient. The sending and processing of the message are completely async.

    Improved Reliability

    In traditional modes, a message request may fail due to long waits; however, if the recipient is unavailable when a message is sent through TDMQ for CMQ, it will retain the message until successfully delivered.

    Process Decoupling

    TDMQ for CMQ helps reduce the degree of coupling between two processes. As long as the message format stays unchanged, no changes will be made to the sender even if the recipient's API, location, or configuration changes. Moreover, the message sender does not have to know who the recipient is, making the system design clearer; in contrast, if a remote procedure call (RPC) or socket connection is used between processes, when one party's API, IP, or port changes, the other party must modify the request configuration.

    Message Routing

    A direct connection is not required between the sender and the recipient, as TDMQ for CMQ guarantees that the message can be routed from the former to the latter. Message routing is even available for two services that are not easily interconnectable.

    Multi-Device Interconnection

    Messages can be sent or received among multiple parts in a system, and TDMQ for CMQ controls the availability of messages through message status.


    Each queue may be configured separately, and they do not have to be identical. Queues in different business scenarios can be customized. For example, if a queue's message processing time is greater than expected, its queue properties can be optimized.

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