In future IPv6 network, the routing protocol among domains will still be Border Gateway Protocol version4. In this paper, we first analysis the extension of BGP4 oriented to IPv6, BGP4+.

• 在未来的 IPv6网络中 ；域间路由协议仍然将采用边界网关协议 BGP4 .；本文首先详细分析了 BGP4面向 IPv6的扩展 BGP4 +