A new concept of search world is presented, and the BA model of time synchronization network based on it is built.The model is also optimized to make the network more survivable.

• 提出搜索世界的概念，针对时间同步网络建立了基于搜索世界的BA模型，并对模型进行优化，使时间同步网络的可生存性更高。