5G mobile technology will transform business models for service providers and contents providers. 5G core is built using open-source tools and end-to-end virtualization. One of unique feature is “networking slicing” which manages life cycle of 5G services ensuring end-to-end QoS and SLA. This session discusses about overall architecture for 5G architecture, open sources tools network slicing. The presentation will also cover use cases being deployed by service providers.