厂商合推SCA和SDO规范 增强SOA技术合作
为了更好地推动SOA发展，BEA等数家正在合作创建服务组件架构（SCA）和服务数据对象（SDO）规范的领先技术厂商日前发布了多个重要成果，包括与SOA相关的规范和技术所取得的重要发展。这些合作厂商联盟还创建了独立于厂商的网站(www.OSOA.org)，用于提供相关信息，包括规范草案、白皮书等，为业界提供一个能深入交流、集思广益的论坛。
早在2005年11月，为了简化SOA应用，BEA、IBM、IONA、Oracle、SAP AG、Sybase、Xcalia和Zend等公司联合发布了新的行业规范。此后，又有多家公司加盟到这一合作阵营当中，包括Cape Clear、Interface21、Primeton Technologies、Progress Software (前身为Sonic Software)、Red Hat、 Rogue Wave Software、Software AG、Sun Microsystems和TIBCO软件有限公司，这17家公司涵盖了SOA和应用厂商以及基础架构和开源提供商。他们的合作推动SCA和SDO技术实现了长足的发展，包括制定新的和修改规范草案。SCA规范旨在简化业务服务的构建和组装，SDO规范旨在以统一的方式访问不同数据源类型。
根据Gartner在2006年3月公布的“SCA：寻求建立SOA通用注释的优胜者”报告，Gartner副总裁Jess Thompson指出：“SCA最重要的层面之一，是建立了一个标准化注释的基础，从而可以基于标准，规范表述面向服务的架构（SOA）。”
经过努力，合作联盟获得了系列新的进展，比如编写了全新的用于声明策略框架的SCA规范草案；改进了JMS、JCA和Web服务绑定规范连接描述、新的BPEL和PHP创建模型。此外，还有服务组合的规范草案、Java和C++服务创建、以及更新了SDO规范。
SCA和SDO规范能够帮助企业更轻松地创建新IT资产以及改造现有的IT资产，使IT资产成为能够快速组装的可重用服务以满足不断变化的业务需求。这些规范对任何的编程语言和部署平台都提供统一服务的方式，从而能够大幅度减少与开发应用相关的复杂性。这两种新涌现的技术旨在简化业务逻辑和业务数据的表示方式。更多信息请访问www.osoa.org.
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