I. INTRODUCTION
II. BACKGROUND
A. System Architecture
B. Comparison with Previous Techniques
III. PHYSICAL LAYER CHARACTER
IV. REQUIREMENTS
A. Application
B. Technology
V. DEVELOPMENT VISION
A. Typical Features
B. Core Elements
VI. CHALLENGES
A. Dynamic Nodes
B. High-speed Topology Changing
C. Huge Time and Space Span
D. Interconnection of Heterogeneous Networks
E. Load Resource Constraints
F. Wide Area Transport Security
VII. SOLUTION
A. Solution with Architecture
B. Solution with Better Performance
C. Integrated with AI
VIII. CONCLUSION