The following extract is from Nextep. alchemyIT extensively use the NEC/Nexetp products and services for creating VPNs and VLANs.

 Executive Overview 

Virtual private networks (VPNs) have been used increasingly since 1997 to allow businesses to link separate local area networks (LANs), build wide area networks (WANs), create extranets with suppliers, or provide secure remote access. 

Because a VPN does not require dedicated E1 or DDN lines, this technology is a particularly attractive option to small to medium enterprises (SMEs) which need to link their computing resources. 

However, there are many pitfalls to be negotiated in setting up a VPN, ranging from conflicts between security protocols and firewalls, to slow data transfer due to choice of access methods. 

While this paper covers the basics of VPNs for readers who are new to the concept, its main focus is to examine the various options for creating a VPN to suit your business and data needs.

Read more...