分布式关系数据库体系结构(distributed relation database architecture, DRDA)是用于客户机与服务器之间通信的常见协议，它由Runtime Client提供。

Distributed relation database architecture (DRDA) is the common protocol used for communication between the client and the server, and is provided by the Runtime client.

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授权管理系统采用分布式体系结构，由客户端管理控制台和服务器端授权服务器组成。

Authorization management system adopts distributed architecture and composed of client management console and server authorization server.

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