In Nov 09, Microsoft lauched a community technology preview of the “Windows Azure Content Delivery Network,” with 19 locations globally (US, Europe, Asia, Australia and South America), it offers developers a global solution for delivering high-bandwidth content. To date, this service was available at no charge; Now, Microsoft announced a pricing for the CDN for all billing periods begin after June 30, 2010 (billing periods beginning prior to July 1, 2010 willn’t be charged). Following three billing meters and rates will apply for CDN: $0.15 per GB for data transfers from European and North American locations; $0.20 per GB for data transfers from other locations; $0.01 per 10,000 transactions. Note: CDN charges willn’t include fees associated with transferring data from Azure Storage to CDN. Any data transfers & storage transactions incurred to get data from Azure Storage to CDN will be charged separately at normal Azure Storage rates. CDN charges are incurred for data requests it receives and for data it transfers out to satisfy these requests.
More Info: Price omparison table