基于公网的VPN技术及在大型企业集团中的应用

VPN Technology Based on Public Network and Its Applications in Large Enterprise Groups

虚似专用网(VPN)技术是当今网络技术领域中新的热点。目前,企业之间以及企业的总部与分支机构通过网络连接越来越频繁,且经常跨系统跨地域,网内网际情况都比较复杂,造成企业远程通信访问成本偏高,另外还带来了网络的管理和安全性问题。VPN网络技术的诞生较好地解决了企业总部与分支之间信息的交流和数据交换等问题。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。

Virtual Private Network（VPN） technology is a novelty hot spot in the field of today＇s network technology. Presently, network connections between enterprises as well as those between their corporate headquarters and branch offices have become more and more frequent, which often go across boundaries of systems and regions with complexities within and between＇ the networks, at the consequence of high costs in business telecommunications access with problems in management and security. The birth of VPN network technology has properly solved the matter of information exchange and data exchange between corporate headquarters and their branches. 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.