本文重点介绍了冗余链路的选择、主从判决的策略及无损切换。
The main topic of this paper is selection of redundant link, strategy of primary-standby detection and switch smoothly.
本发明实施例提供的方案实现极大地降低了维护开销，实现业务无损的承载保护切换，提升了终端用户体验。
The scheme provided by the embodiment of the invention realizes great reduction of maintenance cost, service-lossless load protection switching, and the improvement of end-user experience.
主要介绍了数字微波传输中无损伤切换的作用和基本原理。
The function and principle of hitless switch in digital microwave system are introduced.
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