While the total cost of ownership advantages of Cloud applications are undisputed, the challenge of running them on an infrastructure not under your control cannot be ignored.
A Service Providers’ SLA usually only proves the network operates properly but does not measure the user experience. Unable to support eXperience Level Agreement (XLA), current practices are limited to asking for a committed bandwidth to support SLAs. Visibility and Control mechanisms address the real issues: understanding network traffic composition and applying the right policies to deliver a better user experQience. Only then can Cloud applications be successfully deployed.