Software Defined Networking (SDN)

  1. Data Plane and Forwarding Infrastructure
    1. Data Plane Role in SDN
      1. Packet Processing Functions
        1. Header Parsing
          1. Field Matching
            1. Action Execution
              1. Statistics Collection
              2. Flow-Based Forwarding
                1. Flow Identification
                  1. Table Lookup Process
                    1. Action Application
                      1. Counter Updates
                      2. Statistics and Monitoring
                        1. Flow Statistics Collection
                          1. Port Statistics Reporting
                            1. Queue Statistics
                              1. Event Notification
                            2. SDN-Enabled Switch Types
                              1. Hardware-Based Switches
                                1. ASIC-Based Forwarding
                                  1. Line-Rate Performance
                                    1. Fixed Pipeline Architecture
                                      1. Cost Considerations
                                      2. Software-Based Switches
                                        1. CPU-Based Processing
                                          1. Flexible Pipeline
                                            1. Virtual Environment Integration
                                              1. Performance Trade-offs
                                              2. Hybrid Switch Implementations
                                                1. Hardware-Software Combination
                                                  1. Programmable Pipeline
                                                    1. Performance Optimization
                                                      1. Feature Flexibility
                                                    2. Flow-Based Forwarding Mechanisms
                                                      1. Flow Definition and Identification
                                                        1. Header Field Matching
                                                          1. Wildcard Matching
                                                            1. Priority-Based Matching
                                                              1. Flow Granularity
                                                              2. Flow Table Structure
                                                                1. Match Fields
                                                                  1. Priority Values
                                                                    1. Counters
                                                                      1. Instructions and Actions
                                                                      2. Flow Table Pipeline
                                                                        1. Multi-Table Processing
                                                                          1. Table Miss Handling
                                                                            1. Goto Instructions
                                                                              1. Metadata Passing
                                                                              2. Flow Installation Methods
                                                                                1. Proactive Flow Programming
                                                                                  1. Reactive Flow Installation
                                                                                    1. Hybrid Approaches
                                                                                      1. Performance Implications
                                                                                    2. Switch Hardware Architectures
                                                                                      1. Traditional Switch Architecture
                                                                                        1. Forwarding ASIC Design
                                                                                          1. Memory Hierarchy
                                                                                            1. Port Interface Cards
                                                                                              1. Control Processor
                                                                                              2. OpenFlow Switch Architecture
                                                                                                1. Flow Table Implementation
                                                                                                  1. Action Processing Units
                                                                                                    1. Controller Interface
                                                                                                      1. Statistics Collection
                                                                                                      2. Programmable Switch Architectures
                                                                                                        1. Reconfigurable Pipeline
                                                                                                          1. Custom Protocol Support
                                                                                                            1. Runtime Programmability
                                                                                                              1. Performance Considerations