MessagePack is a computer data interchange format. It is a binary format used to represent simple data structures such as arrays and associative arrays. MessagePack is designed to be as compact and simple as possible.
<dependencies>
    <dependency>
      <groupId>org.apache.dubbo.extensions</groupId>
      <artifactId>dubbo-serialization-msgpack</artifactId>
      <version>3.3.0</version>
    </dependency>
    <dependency>
        <groupId>org.msgpack</groupId>
        <artifactId>msgpack-core</artifactId>
        <version>0.9.3</version>
    </dependency>
    <dependency>
        <groupId>org.msgpack</groupId>
        <artifactId>jackson-dataformat-msgpack</artifactId>
        <version>0.9.3</version>
    </dependency>
</dependencies>
# application.yml (Spring Boot)
dubbo:
 protocol:
   serialization: msgpack
or
# dubbo.properties
dubbo.protocol.serialization=msgpack
# or
dubbo.consumer.serialization=msgpack
# or
dubbo.reference.com.demo.DemoService.serialization=msgpack
or
<dubbo:protocol serialization="msgpack" />
        <!-- or -->
<dubbo:consumer serialization="msgpack" />
        <!-- or -->
<dubbo:reference interface="xxx" serialization="msgpack" />