即单节点保护算法可以保护除失效节点之外的其余组播群成员。
The single node protection algorithm can protect every group member except the failure member.
根据失效节点和观测粗差对残差影响的差异，提出分步处理的方法。
According on the difference of influence imposed on residual by fault points and gross errors of observation, the method of processing step by step is put forward.
如果不能确定网络是连通的，再触发失效节点的其它可达邻近节点响应。
If the responding nodes could not ensure that the network is connected, the other reachable nodes from the fault node are further triggered.
新算法在均衡路由能耗，减少失效节点个数，延长网络生存时间方面取得了较好的效果。
The new algorithm works well in balancing routing energy consumption and decreasing the quantity of failed nodes, and the network lifetime is prolonged.
目前增强应用层组播鲁棒性的方案主要包括：降低失效节点发生频率、失效检测和树重构技术、多树环结构和使用洪泛机制。
At present, the scheme of enhancing robustness of the ALM include: reducing the frequency of failure nodes, failure detection and tree reconstruction technique, flood mechanism, multi-trees and rings.
基于均衡的应用层组播协议克服了现有的应用层组播协议在节点负载、网络时延、流量分布、受失效节点影响等方面的不均衡。
Balanced Application layer multicast Protocol overcomes the unbalance in node degree, distribution of flows, network delay, effect of node failure etc.
感应器失效节点通常发送错误数据，干扰全局信息判断，若转为睡眠状态则容易造成网络连通度下降，增加其他节点的路由转发负载。
The measurements of a faulty sensor node will incur confusions in global readings, while turning them into sleeping mode will degrade network connectivity and overload balance.
感应器失效节点通常发送错误数据，干扰全局信息判断，若转为睡眠状态则容易造成网络连通度下降，增加其他节点的路由转发负载。
The measurements of a faulty sensor node will incur confusions in global readings, while turning them into sleeping mode will degrade network connectivity and overload balance.
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