The Merits and Demerits of VPN to Enterprise

The Merits and Demerits of VPN to Enterprise

VPN allows organizations to use the Internet cost- efficiently and safely to connected remote offices with business major networks. This technique can be used to create a virtual call center from a secure channel to all things, and let traveling sales representatives and branch offices connected to each other. VPN technology's robust security, guaranteed reliability and low cost attracted the interest of more and more companies, they are re-evaluating VPN service. Deciding whether the VPN is for your business, you should first assess the advantages and disadvantages of VPN technology.

Merits:

1. Compareed with any traditional WAN, the operating and connect remote users cost of VPN is very low. In addition, the fixed communication costs of VPN helps companies understand their operating expenses. A VPN line also provides a low-cost global networking opportunities.

2. VPN can provide a high level of security, using advanced encryption and authentication protocols to protect data avoid being peeped, preventing data theft and other non- authorized users to access such data.

3. A well-designed broadband VPN is modular and scalable. This technique allows the application to use a Internet infrastructure that is very easy set up, allowing new users to quickly and easily join to the network. This capability means that companies can provide a large capacity and applications without additional infrastructure needed.

4. VPN enables mobile employees, remote employees, business partners and other people use locally available high-speed broadband network connection ( such as DSL, cable or WiFi network ) to connect to the corporate network. In addition, high-speed broadband connections provide a cost- efficient way to connect remote offices.

Demerits:

1. Companies can not directly control the Internet-based VPN reliability and performance. Institutions must rely on Internet service providers to ensure the operation. This factors make it necessary for companies and Internet service providers to sign a service level agreement bargaining to ensure a variety of performance indicators.

2. It is not easy for enterprises to create and deploy VPN line. This technique requires a high level understanding of networking and security issues, careful planning and configuration. Therefore, it is a good idea to choose Internet service providers to be responsible for running the VPN.

3. VPN products from different vendors and solutions are not always compatible, because many manufacturers are unwilling or unable to comply with VPN technology standards. Thus, a mix use of products from different vendors may be experiencing technical problems. On the other hand, the use of a vendor's equipment may increase costs.

4. When using wireless devices, VPN is with security risk. Roaming between access points are particularly vulnerable to problems. When users roam between access points,any use of advanced encryption technology solutions are likely to be broken. Fortunately, there are some deficiencies can solve this third-party solutions.

When used in wide-area networks, VPN service can continue to provide the best value. However, most businesses will need a knowledgeable expert to guide them create and use VPN, this point needs future improvement. In the time that NAC is still relatively expensive, and surrounding rational use VPN gateway device still well positioned to meet the security needs of enterprises.

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