Finally the detail design of modules and the implementation of directory service in P2P im System have been described by data structure and function interface.

最后细化设计各功能模块，并通过定义数据结构与函数接口实现对等网络的即时通信系统目录服务。

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The system could carry out the function of the business enterprise IM system: increase the contact person, define the set, on-line chat and community exchanges.

实现了企业IM软件系统的功能：添加联系人，定义组，在线聊天和群体交流。

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The amount of the user of the Instant Messaging System is increasing all the time, which makes the maintenance of the server become the bottleneck of the im System.

即时通信系统用户的增加，使得对服务器端的维护逐步成为现有即时通信系统的瓶颈。

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And spoofing is incredibly harder on a mature IM system than on a mature email system.

ENGADGET: Interview with David E. Weekly, Founder of Coceve and www.IMsmarter.com

The system monitors whether the other party is available on the phone, e-mail, IM or in cell phone range.

FORBES: Magazine Article