所述方法为：服务端向客户端下发组播地址及客户信息列表；
The aforesaid method is as bellow: a server delivers a multicast address and a client information list to a client;
组播技术包括了组播组、组播地址、组播协议、组播可靠性和组播安全性等很多方面的内容。
Multicast technology includes a number of aspects, such as multicast group, multicast address, multicast protocols, multicast reliability, multicast security, etc.
当大量组播组并存于网络时，数量庞大的转发状态表占用了大量内存资源并且减缓了组播地址查询过程。
When there are large Numbers of multicast groups in the network, large forwarding tables induce large memory requirements and slow down the address look-up process.
为解决IP组播地址问题以及现有应用级组播协议中地址方案的不足，本文提出了一个新的三段式地址方案。
To solve the problems of IP multicast address and the deficiency of existing application level multicast protocols' address scheme, we proposed a new address scheme.
参考MulticastAddresses获取多播组地址分配。
Refer to multicast Addresses for multicast group address assignment.
dataPort：用于结合多播组地址的目标端口，默认是34343。
DataPort: the destination port that is used in combination with the multicast group address; this defaults to 34343.
IP组播是面向组接收者的有效数据通信方式，利用一种协议将IP数据包从一个源传送到多个目的地，将信息的拷贝发送到一组地址，到达所有想要接收它的接收者处。
It's an efficient way to deliver IP data package from one source to more destination, send the copy of information to a group of address, to all the recipients at the same time.
MVPN是以新的IP隧道技术为基础构建起来的，该技术将组播组地址用作隧道目的地址。
MVPN is built upon a new IP tunneling technology that USES multicast group addresses as tunnel destination addresses.
MVPN是以新的IP隧道技术为基础构建起来的，该技术将组播组地址用作隧道目的地址。
MVPN is built upon a new IP tunneling technology that USES multicast group addresses as tunnel destination addresses.
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