PMS is responsible for managing and distributing policy information but does not own all policy data, which remains the property of individual (client) services.
PMS负责管理及分发策略信息,但并不拥有所有策略数据,它只保留个别(客户端)服务的属性信息。
Creation of individual services for each data system is not a good way to use SOA for information aggregation from enterprise information systems, and it must be avoided.
为每个数据系统分别创建服务并不是使用SOA对企业信息系统的信息进行聚合的好方法,因此必须避免这样做。
A canonical data model provides a common format for the information content of the messages of the individual services.
规范化数据模型为各个服务的消息的信息内容提供一个共同的格式。
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