Measures of VPN Technology

This paper provides a general idea of VPN and core technologies of VPN. The salient of this paper is to focus on need behind VPN technology(IPSec). With the changing requirements and advent of technology, a sense of wide coverage of network arises to encapsulate the data transfer needs with security enforcements. As the usage of internet is increasing constantly, all the possible techniques are being enforced to use this global network as a private and secured network for personal data transfer issues within a group or more. As no system is complete and flawless in itself, there is a need to fill the patches to incorporate every changing core requirements. The best possible effort has been made to suggest various remedial concepts to cope with vulnerabilities.