阿里云国际站代理商：
ActiveMQ 是一款开源消息队列软件，常用于实现跨系统的异步消息通信。ActiveMQ 的通信方式有两种：点对点（P2P）模式和发布/订阅（Pub/Sub）模式。
- 点对点模式
点对点模式是一种单向的消息传递方式。发送方将消息发布到一个特定队列中，接收方从该队列中取出消息，每个消息只能被一个接收方消费。点对点模式可以有效地解决异步通信和系统解耦问题。
- 发布/订阅模式
发布/订阅模式是一种多路广播的消息传递方式。发送方将消息发布到一个主题（Topic）中，多个接收方监听该主题以接收消息。该模式支持多个消费者同时消费同一条消息，因此适用于广播场景和消息订阅模式。
总的来说，ActiveMQ 提供了简单、轻量级的消息传递方式，可用于构建分布式系统和异步消息处理系统。
Alibaba Cloud ActiveMQ supports various communication protocols such as AMQP, OpenWire, MQTT, and STOMP. Some common communication methods include:
- JMS (Java Message Service): It is a standard protocol that defines how Java applications can create, send, receive, and read messages.
- REST API: ActiveMQ supports a REST API to send and receive messages over HTTP.
- WebSocket: It enables bidirectional communication between the server and the client. It is used for real-time communication.
- MQTT (Message Queuing Telemetry Transport): It is a lightweight messaging protocol for IoT and mobile applications.
- STOMP (Simple Text Oriented Messaging Protocol): It is a simple, text-based protocol for communicating with message brokers. It is widely used for browser-based applications.
The communication method to be used depends on the specific use case and requirements of the application.
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