选播是一种支持分布式服务器复制的新的服务模型。
Anycast service is a new service model supporting distributed duplication.
实验结果表明这些权重分配算法有助于提高选播路由的性能。
Experimental results indicate that these weight assignment algorithms can make for the performance improvement of anycast routing.
关于选播的一些协议和标准正在讨论之中，但仍然没有达成共识。
The protocols and standards for anycast are under the discussion, but have not reached a consensus.
根据传感器网络和选播通信的特点，本文首先分析现有的传感器网络选播路由协议。
According to the characteristics of sensor networks and anycast, this thesis firstly analyses some anycast routing protocols of sensor networks in existence.
选播服务是一种新的网络服务模型 ，可以改善网络负载分布和简化某些网络应用。
The implementations of distributed anycast address and transmitted anycast data by network-layer anycast are also presented.
再由该分区内的路由器将目标地址为该选播地址的请求以直接方式或者隧道方式转发到这个组成员。
Then, the request with this anycast address as the destination is forwarded to the group member through a direct mode or a tunneling mode.
针对现有选播安全组管理方案的安全脆弱性，采用基于CA机制提出一种新的选播安全组管理解决方案。
To solve the secure weakness in the anycast group management, a solution based on ca mechanism is presented.
新算法通过利用权重让更多节点分担数据传输以保持网络负载平衡，延长网络生存期和改善选播路由的性能。
More nodes can transmit data by weight, so that the algorithm can balance the network load and prolong network lifetime.
新算法通过利用权重让更多节点分担数据传输以保持网络负载平衡，延长网络生存期和改善选播路由的性能。
More nodes can transmit data by weight, so that the algorithm can balance the network load and prolong network lifetime.
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