XO has bulked up its carrier Ethernet access options to be a potentially strong contender in these contracts. Now it also has XO Enterprise Solutions Group to direct its sales and support efforts to potential carrier Ethernet customers. 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.