ESB

您可以在Wikipedia上了解到此条目的英文信息 ESB Thanks, Wikipedia.

面向服务的体系结构（Service-Oriented Architecture，SOA）和事件驱动的体系结构（Event-Driven Architecture，EDA）是处理复杂集成挑战的两个不同范例。组织如何选择更好的方法来满足其需求呢？实际上他们并不必选择：企业服务总线（Enterprise Service Bus，ESB）允许同时实现 SOA 和 EDA 概念。

企业服务总线是为降低集成成本而开发的新体系结构：

• 吸纳 SOA 的规则、利用 Web 服务的优势
• 彻底改变集成项目的技术和成本

业界观点 — ESB 必须具有以下特点：

• 对所有相关 XML 和 Web 服务标准深入的内在支持
• 转换功能和路由支持
• 支持现有企业应用程序平台和基础结构
• 与企业应用程序集成 (EAI) 或自定义集成方法相比，成本大大降低。

开源项目

• Mule Enterprise Service Bus (ESB) messaging framework - http://mule.codehaus.org/
• Apache ServiceMix Open Source ESB - http://servicemix.org/
• Open ESB - https://open-esb.dev.java.net/
• Apache Synapse
• Celtix Open Source Java ESB - http://celtix.objectweb.org/
• JBoss ESB - http://www.jboss.com/products/esb
• ChainBuilder ESB
• WSO2 ESB

评价：What is the best Java based ESB Solution available?

• Mule --> Custom architecture, XML based configuration, easy for Java developers
• ServiceMix 3 --> JBI based, focus on XML messages
• ServiceMix 4 --> OSGi based, integrated with Camel configuration, also provides support for JBI
• JBoss ESB --> Custom architecture, runs on JBoss application server, fits great with JBoss products
• Synapse --> Focus on WS-*, Rest, build on Axis 2, great if you need things like WS-Security etc
• OpenESB --> JBI and OSGi based, runs on Glassfish, nice tool support with Netbeans
• PetTALS --> JBI based, nice admin console, French based
• Camel --> XML and Java DSL configuration, no container, support for EIPs and lots of transports
• Spring Integration --> XML and Java annotation configuration, no container, support for EIPs
• Tuscany --> SCA based, provides support for WS-*, focus on service development not integration

相关链接

• IBM 企业服务总线介绍
• 通过企业服务总线组合面向服务的体系结构和事件驱动的体系结构

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