VPN技术在企业专网建设中的应用研究

Application Research on VPN Technique in Enterprise Network Construction

考虑企业专网建设中接入互联网需求和安全顾虑因素,对比SSL VPN、IPSEC、MPLS VPN的技术特点,从网络安全、服务质量、使用便捷性、应用扩展及经济型等方面分析各自特点。最后根据企业通常通过互联网接入的场景,按照企业自建和企业租赁的方式,提供2种不同的VPN接入方案,以适应企业的不同接入需求。

Considering the requirement of access to Internet and factor of security in enterprise network construction,technical features of SSL（secure socket layer） VPN（virtual personal network）,IPsec,MPLS（multiple protocol label switch）VPN were compared.From aspects of network security,QoS,usage convenience,application extension and economy,respective characteristics of aforementioned techniques were analyzed.Besides,two different VPN access schemes were provided according to Internet access scenario of enterprise,as well as the modes of construction and lease of enterprise to adapt to different access requirements of enterprise.