From an OSGi-centric view, sca can be used to describe the OSGi service remoting and Quality of Services (QoS) and an sca runtime such as Tuscany can be the Distribution Software for RFC 119.
从以osgi为中心的观点来看，sca可被用于描述oS Gi远程服务以及服务质量(QoS)以及一个sca运行时环境，就像Tuscany可以作为RFC 119的分布式软件一样。
It defines a data-centric data publish-subscribe model, and provide a platform independent model to simplify the data distribution effectively in the distributed system.
它定义了一种以数据为中心的数据发布一订阅模型，提供了一个与平台无关的数据模型，以简化分布式系统中数据的有效发布。
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