Policy description language, which is one of the core parts of the policy-based security management system, is still lack of a common standard.

作为基于策略安全管理系统核心之一的安全策略描述语言，至今没有一种业界通用的标准。

youdao

The same policy description in a domain specific language (which uses the same syntax and semantic used in the specification document) looks like this

还可以用领域特定语言（DSL）（使用规范文档中使用的语法和语义）描述上面的策略，如下所示

youdao

The ESB model promotes SOA-based integration with service contracts and metadata associated with the service contracts, such as Web Services Description Language (WSDL), schema, or policy.

ESB 模型促进了与服务契约和与服务契约相关联的元数据的基于 SOA 的集成，如 Web 服务描述语言（WSDL）、模式或策略。

youdao