Some optical competitors are still working on their national networkable Ethernet services; Level 3 has two, riding on VPLS and MPLS. After some provisioning slowdowns following integration, the provider is back on track for 2008. 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.