ZTE Communications ›› 2009, Vol. 7 ›› Issue (1): 16-20.

• Special Topic • Previous Articles     Next Articles

VPLS Technology and Its Applications

Xu Minghai, Mi Zhengkun   

  1. College of Telecommunications and Information Engineering , Nanjing University of Posts and Telecommunications, Nanjing 210003 , P. R . China
  • Online:2009-03-25 Published:2020-03-03
  • About author:Xu Minghai, PhD, is a lecturer at the College of Telecommunications and Information Engineering, Nanjing University of Posts and Telecommunications (NUPT). His research interests cover resource control and QoS, mobility management, and network recognition technology. He has led 2 provincial level scientific research projects, and participated in 1 national "973" project and 1 national natural science foundation project. He has submitted 6 proposals for international communication standards and 2 patent applications, and published 8 research papers indexed by SCI/EI/ISTP.

    Mi Zhengkun is a professor at the College of Telecommunications and Information Engineering, NUPT. He is also a fellow of China Institute of Communications. He focuses his research on Next Generation Networks (NGNs) and heterogeneous network convergence technologies. Owing to his research achievements, he won the second prize of Scientific and Technological Progress Award granted by Jiangsu province, and the second and third prizes of Scientific and Technological Progress Award by Ministry of Industry and Information Technology of the People’s Republic of China. He has published more than 30 papers indexed by SCI and EI, 8 monographs and state-level textbooks, and applied for more than 10 national patents
  • Supported by:
    This work was supported by the Startup Program of Innovative Young Talents of Jiangsu Provincial Natural Science Foundation under Grant No. BK2007604.

Abstract: Among all the metro Ethernet technologies, Virtual Private LAN Service (VPLS ), a Layer 2 Virtual Private Network (L2VPN ) technology, has drawn wide attention due to its simplicity, reliability, and ease of use. VPLS can implement multipoint-to-multipoint interconnection of Local Area Networks (LAN ) in the wide area. Its core elements include the Label Distribution Protocol (LDP ) based or Border Gateway Protocol (BGP ) based Pseudowire (PW ) setup and maintenance on the control plane, Media Access Control (MAC ) address learning on the data plane, and PW encapsulation on the transport plane. With hierarchical architecture, VPLS enables cross-domain Virtual Local Area Network (VLAN ) services. Benefitting from its unique technical advantages, VPLS supports a wide variety of applications including L2VPN for VIP customers, municipal communications infrastructure and personal distributed services.