On Friday 22 Aug 2008, jtd wrote:
[snip] Virtulization does not solve the security issue. Virtualization merely provides the ability to better utilise hardware and manpower.
Virtualisation does solve /a/ security issue, namely that of containing cracks into a limited environment. For instance, I'd rather someone crack a virtual machine running HTTP through a hypothetical Apache exploit (on a server with multiple virtual machines running different applications) than the whole server using the same exploit.
It's not a panacea, but it does help you improve security. On the flip side are the costs of virtualisation, whether hardware, IP addresses or management.
Regards,
-- Raju