一个主机或组播路由器可以成为多个组的成员。
组播路由器每天可能接收到成千上万个组播分组。
A multicast router may receive thousands of multicast (71) every day for different groups.
该VLAN端口所连接的网络中至少含有一个主机组成员或者含有组播路由器。
In the network linked by VLAN ports, there is at least one group member or contains multicast Router.
并且出于性能的考虑，将这个特定的成员分布在不同的子组里，这样可以快速处理通讯，从而减轻了组播路由器的负担。
Considered the performance, this specific member should be distributed in different sub-groups, which can help deal with the communications quickly, and reduce the burden on the multicast routers.
事实上，子网的组播路由器在处理完主机的加入组播组信息之后并没有保存主机的身份信息，也没有将它传输到上游的组播分发树。
In fact, the subnet multicast router does not maintain host's identity after processing its membership request and does not transmit such an identity upstream in the delivery tree.
ARMER是一种答复者辅助主动路由器进行差错恢复的可靠组播算法。
ARMER is a reliable multicast algorithm that active router carry out error recovery with replier assisted.
EIGRP路由器向所有邻居发送组播更新来通过网络变化。所有的更新包要可靠传输。
EIGRP router sends a multicast update packet to all neighbors, which alerts them to the change. All update packets are sent reliably.
本文基于高性能路由器的体系结构，提出广域组播路由协议的实施方案，实现了典型的路由协议并对其进行了比较全面的测试。
We have designed and implemented wide-area multicast routing protocols in the high-performance router, and conducted rather complete tests for the implementation.
针对分布式路由器，设计了组播转发表优化分布式存储及组播报文两级转发方案提高性能。
Aiming at distributed router, we design the optimized distributed storage of multicast forwarding table, and two level forwarding project for multicast datagram.
面向可靠组播中的多媒体流传输业务，讨论了目前组播拥塞控制面临的主要挑战，提出了一种路由器辅助基于速率的组播拥塞控制算法。
This paper discusses the main challenge of multicast congestion control and proposes a router-assisted rate-based congestion control algorithm for real-time multimedia streams in reliable multicast.
组播技术采用群组发送的方式，用路由器来复制数据包，保证任何时候每条链路中只有一份数据包，因此节约了网络带宽。
Multicast technology applies the method of group transmissions, using Router to copy data packages, it promised only one data package in every link at any time, and saved bandwidth.
在传统组播中，组播组数据由一棵覆盖所有组成员的组播树进行转发，树上路由器必须保存每一个组播组的转发状态。
In traditional IP multicast, data for a given group is forwarded through a tree structure covering the members of this group. The on-tree routers must maintain a per-group forwarding state.
组播组的聚合使得网络中组播树的数量减少，路由器需要维持的组播转发状态和传递控制信息带来的控制开销都大大降低。
With multicast tree aggregation, fewer trees are maintained which amounts to reduce both the number of forwarding states in routers and the overhead induced by control messages.
针对端到端组播拥塞控制的局限性，提出一种基于模糊逻辑和路由器辅助的组播拥塞控制算法flra - MCC。
Because of the limitation of end-to-end multicast congestion control, a Fuzzy Logic-based and Router-Assisted multicast congestion control (FLRA-MCC) algorithm is proposed in this paper.
针对端到端组播拥塞控制的局限性，提出一种基于模糊逻辑和路由器辅助的组播拥塞控制算法flra - MCC。
Because of the limitation of end-to-end multicast congestion control, a Fuzzy Logic-based and Router-Assisted multicast congestion control (FLRA-MCC) algorithm is proposed in this paper.
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