To solve the problem of anycast scale, the reasonable address structure is setup properly and anycast gateway is deployed at the network boundary. GIA (Global IP Anycast) is well supported by the method proposed.

• 为解决选播路由的规模问题，经过合理的地址划分，在网络的边界部署选播网关，从而达到支持GIA(Global IP Anycast)的目的。