I'm currently using Amazon S3 and CloudFront as a CDN to serve my images. Amazon publish their prices on the site: $0.120 per GB transfer and $0.0075 per 10,000 HTTP Requests.However, other CDNs don't seem to list any prices at all. In particular I'm looking at EdgeCast and NetDNS - does anyone know their typical prices? What about other services?
How much do other CDNs charge?
cdn;pricing
Not sure what you're having trouble finding. Pricing is easily available on the internet for many CDN providers (basically all except LimeLight and Level3). Some examples:Rackspace Cloud files (using Akamai's huge CDN) is US$0.18/GBMaxCDN (the pay-as-you-go version of NetDNA) starts at US$0.10/GBVoxel VoxCAST starts at US$0.10/GBCacheFly starts at US$0.39/GBGoGrid (which uses EdgeCast) starts at $0.25/GBYou get volume discounts, and depending on provider can better pricing if you are willing to commit to certain spending under a contract-based service.Obviously there is more to it than just price. Stability is paramount. Many of these CDNs are architected quite differently, have different features, and offer different performance levels for different regions and use cases. For example, the anycast-based CDNs (such as CacheFly and MaxCDN) typically offer the lowest latency, and are great if your customers are in secure environments that must white-list external providers by IP address. But those same providers also seem to have fewer network nodes and peering points than CDNs that use DNS-based redirection.See CloudHarmony for a more complete list of CDN providers.