Because SIP is lack of capability of finding fault ,the design of this system uses me redundancy design of distributed Web server for reference and adopts load -balancing technology.
针对SIP协议不具备处理中间实体故障的能力，本系统在设计时借鉴了分布式Web服务器系统的冗余设计方法，采用了负载平衡技术。
参考来源 - 基于SIP协议的IP电话服务器系统的设计与实现·2,447,543篇论文数据，部分数据来源于NoteExpress
Redundancy design is an effective method to improve system reliability.
冗余设计是改善系统可靠性的一种有效方法。
Safety is guaranteed through redundancy design with superfluous complementary functions.
为了保证安全，对系统做了全面的冗余度设计。
Redundancy design is a kind of effective method in the improvement of systematic reliability.
冗余设计是改善系统可靠性的一种有效方法。
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