Ciena's DN 7000 series provides IP/MPLS-based pseudowire aggregation and switching and Ethernet interworking capabilities to support business data services and broadband aggregation applications as carriers migrate legacy gear to Ethernet. 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.