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Tuesday, June 26, 2012

What are the advantages & disadvantages of VPN ?

What are the advantages & disadvantages of VPN ?
Advantages

    * Reduce cost implementation (We don’t need to use lease line/ ISDN/ FR, mobile only need to dial local ISP to connect to branch office)
    * Security (VPN provide strong security mechanism through encryption, authentication etc)
    * Lower cost (Bring down cost of Wan equipment)
    * More Flexible
    * Simple Management
    * Interoperability of devices from multiple vendors
    * Centralized VPN management
    * Easy implementation
    * Easy usability
    * Scalability
    * Performance
    * Bandwidth management
    * Service provider’s infrastructure
    * High availability

Disadvantages

    * Highly dependent on Internet
    * Lack of support to legacy protocol

2 comments:

  1. In this world all the things have both advantages and disadvantages and as a result we have to know that what are the pros and cons of VPN and I hope that your post will assist people to know the things. Thanks

    ReplyDelete
  2. This post is very informative. Because i didn't know the advantage and disadvantage about VPN. Now i have achieved this knowledge.Thanks for your post.
    wan leased line

    ReplyDelete