If my case can help you, my company uses services of one company for load-balancing trafic across multiple CDN/Cloud. We are no longer impacted by the failure of some providers. You can read this http://tinyurl.com/7pwfza7 (i'm user, not vendor)
I can't figure out why you people are using URL shorteners on HN, but I believe it is not looked upon well. So, for others, these links are as follows:
