其他中介模式提供了对安全和管理策略定义点的直接或间接访问，以便中介流能够执行适当的控制。
Other mediation patterns provide direct or indirect access to the security and management policy definition points so that the mediation flow can perform the appropriate control.
在执行过程中，IBM在不同的执行点之间分布这些策略，并监视和测量相关指标以改进治理模型。
During enforcement IBM distributes those policies among the different enforcement points, and monitors and measures the related metrics to improve the governance model.
服务注册中心支持存储和检索基于标准的策略，可将其定位为策略决策点，然后由esb执行策略强制。
A service registry, which supports storing and retrieving standards-based policies, can be positioned as a policy decision point, with the ESB then performing the policy enforcement.
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