Revolutionizing Performance Measurement: Industry-First Methodology for Testing 5G Network Slices Enabled by Ookla and Ericsson Specialized Speedtest app enabling real-time validation of differentiated 5G connectivity to be showcased at MWC Barcelona 2026 SEATTLE--(BUSINESS WIRE)--Ookla®, a global leader in connectivity intelligence, and Ericsson, a world leader in communications technology, demonstrate an innovative solution allowing users to measure and validate 5G network slicing performance.