Hola Gustavo,
the F5 BIG-IP Global Traffic Manager, formerly known as 3-DNS, can indeed accomplish this (just FYI I post the link):
BIG-IP Global Traffic Manager
http://www.f5.com/products/bigip/gtm/
The Cisco 'equivalent' (although that comparison might not be 100% applicable) would be the Cisco CSS 11500 Series Content Services Switches, have a look at the link below:
Cisco CSS 11500 Series Content Services Switches
http://www.cisco.com/en/US/products/hw/contnetw/ps792/index.html
HTH,
GNT