Table of Contents Introduction: The Communication Backbone of the Smart Grid Era Overall Architecture of Smart Substation Communication Systems: Protocols and Standards  2.1 Comparison of the Three-Layer Architecture  2.2 Communication Media and Redundancy Design 2.3 Comparison Between Traditional and Smart Substation Architectures Key Communication Links and Data Flows: Real-Time Performance and Big-Data Analytics  3.1 Data Flow Path 3.2 Performance Improvements Power Commun

Table of contents （Click to go to where you want to see） 1. Definition of VLAN 2. Types of VLAN 3. Main functions of VLAN in industrial routers 4. Comparative analysis Industrial networks with and without VLAN Static VLAN vs. dynamic VLAN VLAN vs. subnet 5. Best practices for implementing industrial VLAN 6. Future outlook: Evolution of VLAN in Industry 5.0 Introduction: New Requirements for Industrial Networks Driven by Industry 4.0 and smart manufacturing, the Industrial Int