Owing to its unique technical advantages, the applications of VPLS may cover lay 2 VPN for business customers, municipal communication infrastructure and personal distributed services, etc.
基于其独特的技术优势，VPLS可以提供大客户二层VPN、城域基础网络建设、个人分布式业务等多个层次的应用。
In the paper, Distributed Sales System in Gezhouba Cement Plant has been exemplified to illustrate public network-based VPN technology and its applications in large enterprise groups.
以《葛洲坝水泥厂分布式销售系统》为实例，说明了基于公网的VPN技术及在大型企业集团中的应用。
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