Telefonica Ribbon Communications Juniper Networks 5G End-to-End Network Slice QoS is an essential aspect of network slicing, as described in both IETF drafts and the 3GPP specifications. Network slicing allows for the creation of multiple logical networks on top of a shared physical infrastructure, tailored to support specific use cases or services. The primary goal of QoS in network slicing is to ensure that the specific performance requirements of each slice are met, including latency, reliability, and throughput.