Traditionally, VPN solutions could be categorized in one of only two areas: VPN appliances or VPN servers. Today, the introduction of managed service providers has created a third possible solution. Well-known vendors such as WorldCom, Quest, and AT&T are now offering regional, nationwide, and even international managed VPN services. This service allows companies to have an enterprisewide VPN solution without a heavy investment in infrastructure or personnel. Most managed VPN providers will monitor your organisation's VPN connections 24/7 to ensure they are available at the times when your remote users may need it most. Pricing varies but generally starts around $200 per month, per location and often includes managed firewall services and service level agreements as well. VPNs are permitting organisations to establish secure, end-to-end, private network connections over the Internet while reducing communication costs. Implementing and maintaining VPNs requires choosing the right solution and an in-depth understanding of public network security issues. Whether you are looking at a VPN appliance, server, or managed service provider, performing proper cost/benefit analyses can be the most important step in a successful VPN solution.
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