SUPPORTING MPLS VPN MULTICAST  

作　　者：WangYufeng WangWendong ChengShiduan 

机构地区：[1]NationalLaboratoryofSwitchingTechnology＆TelecommunicationNetworks,BeijingUniversityofPostsandTelecommunications,Beijing100876

出　　处：《Journal of Electronics(China)》2004年第1期48-54,共7页电子科学学刊（英文版）

基　　金：Supported by the National Natural Science Foundation of China(No.90204003)and National"863"Project(2001AAl21052)

摘　　要：MPLS(Multi-Protocol Label Switching) VPN(Virtual Private Network) traffic has been deployed widely, but currently only supports unicast. This paper briefly introduces several available MPLS VPN multicast approaches, and then analyzes their disadvantages. A novel mechanism that uses two-layer label stack to support MPLS VPN explicit multicast is proposed and the process is discussed in detail. The scalability and performance of the proposed mechanism are studied analytically. The result shows that our solution has great advantage over the currently available scheme in terms of saving core network bandwidth and improving the scalability.MPLS(Multi-Protocol Label Switching) VPN(Virtual Private Network) traffic has been deployed widely, but currently only supports unicast. This paper briefly introduces several available MPLS VPN multicast approaches, and then analyzes their disadvantages. A novel mechanism that uses two-layer label stack to support MPLS VPN explicit multicast is proposed and the process is discussed in detail. The scalability and performance of the proposed mechanism are studied analytically. The result shows that our solution has great advantage over the currently available scheme in terms of saving core network bandwidth and improving the scalability.

关 键 词：Multi-Protocol Label Switching(MPLS) Virtual Private Network(VPN) Two-layer label stack Explicit multicast 

分 类 号：TN915.5[电子电信—通信与信息系统]