Human sensing information such as audio (hearing) and visual (sight) or a combination thereof audiovisual are transferred over communication networks. Yet interacting sense of touch (haptic) and particularly the kinaesthetic (muscular movement) component has much stricter end-to-end latency communication requirements between tactile ends. The statements in this paper, to enable bi-directional haptic control, indeed follow the widely accepted understanding that edge computing is a key driver behind Tactile Internet aiming to bring control and user plane services closer to where they are needed. However, with an updated wider analysis of (pre)standardisation activities that are chartered around Tactile Internet, this paper highlights the technology gaps and recommends open research topics in this area.
This paper presents the architectural considerations of integrating a non-IP-based service routing solution, Name-Based Routing, to the 5G user plane. While entirely preserving the control plane procedures on the terminal, the carefully crafted considerations herein argue for a new Session Management Function functionality and the transitioning of the N4 interface to become a Service-Based Interface, i.e. Nupf. Furthermore, this paper presents User Plane Function provisioning procedures based on Software-Defined Networks principles mitigating the need for any manual management procedures and enabling cloud-native orchestration procedures for all 5G Core Network Functions.
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