Rackspace faces a challenging market as rivals such as AT&T up the ante with strong client support. This makes it harder for the Rackspace to distinguish itself, but strong growth in cloud computing may be its best retort. This report contains insight and analysis of the product or service strengths and weaknesses, list of buying criteria and how the product or service fares in each category, and a comprehensive table of product or service metrics and specifications. This report is useful for purchasers who need to evaluate products, or as a source of competitive intelligence for vendors.