随着互联网应用的不断发展，电信运营商在IDC的投入越来越多。电信运营商在IDC建设中，结合电信级服 务保障的需求，对安全性、稳定性十分关注。本文分析了电信运营商IDC设计原则，并从网络层、业务层、基础管理三个方面， 分别阐述了IDC存在的一些安全问题，且提出通过设备安全策略构建、网络隔离等措施，实施IDC的安全构建策略。

With the continuous development of Internet applications, telecom carriers invest more and more in IDC. In the construction of IDC, telecom carriers concern more about the security and stability according to the needs of the telecom service guarantee. In this paper, the design principle of IDC is analyzed, and some security problems are explained respectively from the network layer, business layer and basic management. Some measures about device security strategy construction and network isolation are proposed to implement the security construction strategy for IDC.