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从双归属技术入手,对现网固网软交换端局实现双归属容灾备份的双归属改造方案进行了分析、选优,并给出实施步骤。
Starting from dual-homed technology, this paper analyzes, selects and optimizes the dual-homed rebuilding solution to realize dual-homed disaster recovery backup in the softswitch end office of fixed network and gives the implementation steps.