http://pages.optimizely.com/rs/optimizely/images/CDN_Balancing_Whitepaper.pdf http://pages.optimizely.com/rs/optimizely/images/CDN_Balanci... """ At the highes

http://pages.optimizely.com/rs/optimizely/images/CDN_Balancing_Whitepaper.pdf http://pages.optimizely.com/rs/optimizely/images/CDN_Balanci... """ At the highest level, a “balanced” CDN architecture is one that leverages two or more CDNs hosting identical content to increase (a) the overall number of physical Points of Presence for the network (PoPs) and (b) the proximity of those PoPs to the end users accessing them around the world """