There are two other aspects of an approach to SOA that should be established early on: the provision of internal or external access to services, and an approach to service granularity.
实现 SOA 的方法有两个方面应该在早期确定:对服务的内部或外部访问的提供,和一个解决服务粒度的方法。
The granularity of the project is important: smaller projects should use service adaptors and service proxies to connect to legacy functionality, or functionality not SOA-enabled.
项目的粒度非常重要:较小的项目应该使用服务适配器和服务代理来连接遗留的功能或者不支持 SOA 的功能。
As long as service interfaces are explicitly defined and of appropriate granularity, EAI middleware can ensure that the interoperability and location independence principles of SOA are met.
只要服务接口已经明确定义并有合适的粒度,EAI中间件就能确保满足soa的互操作性和位置无关性原则。
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