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Course Outline
SDN Fundamentals
- Traditional versus software-defined networking paradigms
- SDN architecture: data plane, control plane, application plane
- Fundamentals of the OpenFlow protocol
- Advantages and challenges of SDN adoption
- Overview of the open source SDN ecosystem
Linux Networking Foundations
- Network namespaces and isolation
- Comparison between Linux bridges and Open vSwitch
- Traffic control (tc) for QoS and shaping
- VXLAN and GRE tunneling in Linux
- Network configuration management (systemd-networkd, NetworkManager)
Open vSwitch Deep Dive
- Architecture and components of Open vSwitch
- Installation and initial setup
- Bridge configuration and port management
- Flow rules and features of OpenFlow 1.3/1.5
- VLAN and tunneling support (VXLAN, Geneve, GRE)
- Bonding and LACP configuration
- Monitoring and troubleshooting OVS
OVN (Open Virtual Network)
- Architecture of OVN and its integration with OVS
- Logical switches and routers
- NAT, load balancing, and ACLs in OVN
- DHCP and DNS services integration
- Utilizing OVN for Kubernetes networking
- Comparison between OVN and traditional Open vSwitch deployments
FRRouting (FRR) Implementation
- Overview of FRR architecture and components
- Basics of installation and configuration
- BGP configuration and policies
- Deployment of OSPF and OSPFv3
- IS-IS for data center fabrics
- BFD for fast failure detection
- Route filtering and redistribution
EVPN and VXLAN with FRR
- Fundamentals and use cases of EVPN
- VXLAN control plane with BGP EVPN
- MAC address advertisement and learning
- Configuration of distributed anycast gateways
- Multi-tenant layer 3 VPNs with EVPN
- Troubleshooting EVPN deployments
SDN Controllers Overview
- The role of the SDN controller in network architecture
- Controller deployment models (centralized, distributed, hybrid)
- Introduction to OpenDaylight and its architecture
- Overview of the ONOS platform
- Criteria for selecting a controller
Deploying OpenDaylight
- Installation and setup of OpenDaylight
- Karaf container and service management
- Fundamentals of MD-SAL and application development
- OpenFlow plugin and switch management
- YANG models and data modeling
- REST API and northbound interfaces
Deploying ONOS
- Architecture and components of ONOS
- Installation and cluster setup
- Device and link discovery
- Application development model
- Intent-based networking with ONOS
- Integration with programmable pipelines (P4, NPL)
Network Programmability
- REST APIs and JSON-RPC for network automation
- gNMI (gRPC Network Management Interface)
- YANG data modeling for configuration
- NETCONF and RESTCONF clients
- Python libraries for SDN (RYU, POX, ryu)
- Writing custom SDN applications
Automation and Orchestration
- Ansible for network automation
- Terraform for network infrastructure
- Configuration management at scale
- Continuous deployment for network changes
- Integration with CI/CD pipelines
Traffic Engineering and Policies
- Traffic classification and marking
- Implementation of Quality of Service (QoS) with OVS/FRR
- Policy-based routing
- Path computation and optimization
- Introduction to segment routing
- Monitoring traffic flows and performance
Security in SDN Environments
- Security considerations for controllers
- Securing OpenFlow channels (TLS)
- Access control and RBAC for SDN
- Network segmentation and micro-segmentation
- DDoS mitigation with SDN
- Security monitoring and incident response
SDN for Data Centers and Cloud
- Data center fabric design with SDN
- Network virtualization for multi-tenancy
- Integration of SDN with OpenStack and Kubernetes
- Service chaining and NFV integration
- Hybrid cloud networking with SDN
Production Deployment and Operations
- High availability design for SDN controllers
- Scalability planning and performance tuning
- Backup and recovery strategies
- Monitoring SDN infrastructure
- Troubleshooting SDN environments
- Upgrade procedures and maintenance windows
Summary and Future Directions
- Challenges and lessons learned in SDN adoption
- P4 and programmable data planes
- AI/ML for network automation
- Emerging standards and protocols
- Community resources and continuing education
Requirements
- A solid understanding of TCP/IP networking and routing protocols
- Experience with Linux networking (iproute2, iptables, nftables)
- Knowledge of switching and VLAN concepts
- Familiarity with network monitoring and troubleshooting
- Basic experience in Python or shell scripting
Audience
- Network Engineers transitioning to SDN
- DevOps Engineers managing network infrastructure
- Cloud Infrastructure Architects
- System Administrators responsible for network configuration
35 Hours
