by Ian Kilpatrick - chairman Wick Hill Group - Monday, 9 April 2007.
SSL technology is rapidly maturing to the point where there are few clear differences between SSL and IPsec technology. SSL is gaining the upper hand if you count the number of users, but it remains to be seen what difference the introduction of the IPv6 standard, which includes IPsec, will make. All IPv6 end node implementations will include IPsec as an option, so IPsec advocates hope for a resurgence of IPSec VPNs. If all applications used this feature, then theoretically SSL would be unnecessary. But by then SSL may have become the dominant technology.
A recent report from Forrester Research indicates that SSL will take over. It concluded that spending on SSL VPN technology will increase at a 53% compound annual growth rate and that by 2008 SSL VPNs will have overtaken traditional IPsec VPNs as the remote access security standard.