My Understanding of MQ Distributed Transactions and Remote Invocation

Sep 26, 202356

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The overall system consists of a distributed transaction with System A as the initiator. There are two ways to handle the distributed transaction: using MQ or remote calls. Both methods can achieve distributed transactions to some extent, but MQ is preferred because it allows for asynchronous execution and higher throughput.

The overall system is shown below:

There is currently a distributed transaction (i.e., transaction 1 and transaction 2), and System A is the initiator of this distributed transaction.

For MQ distributed transactions
For remote invocation

By comparing the two methods mentioned above, it can be observed that both can achieve distributed transactions to some extent. So why do we still need MQ distributed transactions? This is because MQ distributed transactions are executed asynchronously and have a higher throughput.