The Cisco MGX 8850 Advanced ATM Multiservice Switch enables delivery of a complete portfolio of service offerings while scaling from DS0 to OC-48c/STM-16 speeds. The Cisco MGX 8850 universal chassis provides a unified IP+ATM architecture that cost-effectively delivers a complete portfolio of differentiated services - from circuit emulation services to IP virtual private networks (VPNs) - on a single chassis, and enables service providers to add new services as markets dictate.