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针对运营商级系统的可动态伸缩性和高可用性需求,本文提出一种基于云平台的SIP系统CloudSIP.为最大化系统的可伸缩性,CloudSIP采用分层设计,层内和层间组件之间无需同步、功能独立;为提高系统可用性和动态伸缩的实时性,针对实时业务面向会话的特性,Cloud引入注册迁移和会话迁移,在SIP服务器之间透明地迁移用户注册信息和正在进行中的会话信息.最后,本文利用Amazon公共云平台对CloudSIP进行了仿真和测试.
To meet the scalability and high availability requirements of carrier-class systems, this paper proposes CloudSIP, a SIP platform based on cloud platform.To maximize the scalability of the system, CloudSIP adopts hierarchical design, and between layers and inter-layer components In order to improve system availability and real-time dynamic scaling, in response to real-time business session-oriented features, Cloud introduces registration migration and session migration to transparently migrate user registration information and ongoing sessions between SIP servers Information.Finally, this paper simulates and tests CloudSIP using the Amazon public cloud platform.