深入理解阿里分布式消息中间件
什么是分布式消息中间件 什么是分布式消息中间件? 对于分布式消息中间件,首先要了解两个基础的概念,即什么是分布式系统,什么又是中间件。 分布式系统: “A distributed system is one in which components located at networked computers communicate and coordinate their actions only by passing messasges.”——《Distributed Systems Concepts and Design》 从上面这个解释可以得到分布式系统的两个特点: 组件分布在网络计算机上 组件之间通过消息来协调行动 中间件: Middleware is computer software that provides services to software applications beyond those available from the operating system. It can be described as "software glue". Middlew...