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MEC and SDN Enabling Technologies, Design Challenges, and Future Directions of Tactile Internet and Immersive Communications

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Vydáno v:Future Internet vol. 17, no. 11 (2025), p. 494-534
Hlavní autor: Thabet Shahd
Další autoři: Ateya, Abdelhamied A, ElAffendi Mohammed, Abo-Zahhad, Mohammed
Vydáno:
MDPI AG
Témata:
Network function virtualization
Actuation
Quantum computing
Internet
Communication
Optimization
Automation
Virtual reality
Network topologies
Multimedia communications
Digital libraries
Haptics
Dynamic control
Network management systems
Surgery
6G mobile communication
Network latency
Digital twins
Reciprocity
Design
Software-defined networking
Communications systems
Artificial intelligence
Cloud computing
Data transmission
Paradigms
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Abstrakt:Tactile Internet (TI) is an innovative paradigm for emerging generations of communication systems that support ultra-low latency and highly robust transmission of haptics, actuation, and immersive communication in real time. It is considered a critical facilitator for remote surgery, industrial automation, and extended reality (XR). Originally intended as a flagship application for the fifth-generation (5G) networks, their strict constraints, especially the one-millisecond end-to-end latency, ultra-high reliability, and seamless adaptation, present formidable challenges. These challenges are the bottleneck for evolution to sixth-generation (6G) networks; thus, new architects and technologies are urgently required. This survey systematically discusses the most important underlying technologies for TI and immersive communications. It especially highlights using software-defined networking (SDN) and edge intelligence (EI) as enabling technologies. SDN improves the programmability, adaptability, and dynamic control of network infrastructures. In contrast, EI exploits intelligence-based artificial intelligence (AI)-driven decision-making at the network edge for latency optimization, resource usage, and service offering. Moreover, this work describes other enabling technologies, including network function virtualization (NFV), digital twin, quantum computing, and blockchain. Furthermore, the work investigates the recent achievements and studies in which SDN and EI are combined in TI and presents their effect on latency reduction, optimum network utilization, and service stability. A comparison of several State-of-the-Art methods is performed to determine present limitations and gaps. Finally, the work provides open research problems and future trends, focusing on the importance of intelligent, autonomous, and scalable network topologies for defining the paradigm of TI and immersive communication systems.
ISSN:1999-5903
DOI:10.3390/fi17110494
Zdroj:ABI/INFORM Global