Centralized management
Distributed management
Hierarchical management
Federated management
Autonomic and cognitive management
Policy-based management
Pro-active management
Energy-aware management
Quality of experience-centric management

Network function virtualization
Software-defined networking
Orchestration
Cloud computing and cloud storage 
Communication protocols
Middleware
Data models, information models semantic models
Operations support systems and business support systems
Information visualization

Cloud computing services
Content delivery services
Multimedia services
Internet connectivity and Internet access
Internet of Things services
Security services
Context-aware services
Information technology services

Deployment management 
Fault management
Configuration management 
Accounting management
Performance management 
Security management

Economic aspects
Multi-stakeholder aspects
Service level agreements
Lifecycle aspects
Process and workflow aspects 
Legal perspective
Regulatory perspective
Privacy aspects

Sotware-defined networks
Virtual networks
Overlay networks
Wireless networks and cellular networks
Wireless sensor networks
Internet of Things networks
Information-centric networks
Enterprise networks and campus networks
Data center networks
Optical networks
IP networks
Home networks
Access networks
SCADA networks and distributed control systems
Smart Cities and Smart Grids

Mathematical optimization
Control theory
Probability theory, stochastic processes, and queuing theory
Machine learning
Evolutionary algorithms
Economic theory and game theory
Mathematical logic and automated reasoning 
Data mining and (big) data analysis
Monitoring and measurements
Computer simulation experiments
Prototype implementation and testbed experimentation 
Field trials