All are generally considered to be more cost effective than the permanent leased lines that are the WAN link of choice at the moment. In fact, it's not inaccurate to describe IP VPNs as the next big thing in the WAN, even if they have been a long...
This is where projects stand a very real risk of becoming costly failures. Legacy systems have been dealt with by creating more legacy systems, mistakes are ‘patched’ and layer is built upon layer, creating an over-complex base for a system that...
Companies investing in new wide area networks are advised to migrate to IP VPN technologies instead of frame, ATM and leased lines because of increased network flexibility and potential WAN total cost of ownership savings of around 30 per cent.
Packet switching has obvious advantages of flexibility over circuit switching, automatically adapting capacity to meet changing needs. While the basic protocol of IP is fixed, despite various attempts to hijack it for proprietary purposes, the...
He said: "Using multiple vendors can create competition and lowers the risk of delivery failures, escalating fees and inflexible services. The multi-sourcing approach also gives organisations more flexibility to take advantage of fast-changing...
On the one hand there are secure socket layer (SSL) VPNs, which are easy to deploy, but which generally provide access to a fairly limited range of applications, primarily those that are web-based. Quocirca's report The essential elements of secure...
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