MPLS VPN与IPSec VPN的优劣对比

摘要

企业内外通信的安全需求日益增长，催生出多种虚拟专用网技术。为了对MPLS VPN和IPSec VPN进行对比分析，从两者的技术原理和实现机制入手，通过对系统可靠性、安全性、接入便捷性、可扩展性、网络服务质量等方面进行研究，并分析使用场景，得出这两种VPN技术的优势短板和适用场合。%The increasing safety requirement for internal and external communication in enterprises has given rise to various VPN technologies. This paper introduced the technical principle and implementation mechanism of MPLS VPN and IPSec VPN, compared and analyzed the two technologies from aspects like reliability, safety, access convenience, expandability, QoS, and analyzed the usage scenario to find the advantages and disadvantages as well as applicable occasions of the two technologies.