Cisco® ASA 5500 and ASA 5500-X Series Next-Generation Firewalls integrate the world's most proven stateful inspection firewall with a comprehensive suite of highly integrated next-generation firewall services for networks of all sizes-small and midsize businesses with one or a few locations, large enterprises, service providers, and mission-critical data centers. Cisco ASA 5500 and ASA 5500-X Series Next-Generation Firewalls deliver MultiScale™ performance with unprecedented services flexibility, including next-generation firewall capabilities, modular scalability, feature extensibility, and lower deployment and operations costs.