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Course Outline
SDN Fundamentals
- Traditional versus software-defined networking paradigms
- SDN architecture: data plane, control plane, and application plane
- Fundamentals of the OpenFlow protocol
- Benefits and challenges of adopting SDN
- Overview of the open source SDN ecosystem
Linux Networking Foundations
- Network namespaces and isolation techniques
- Comparison between Linux bridges and Open vSwitch
- Traffic control (tc) for QoS and traffic shaping
- VXLAN and GRE tunneling in Linux environments
- Network configuration management using systemd-networkd and NetworkManager
Deep Dive into Open vSwitch
- Architecture and components of Open vSwitch
- Installation and initial setup procedures
- Bridge configuration and port management
- Flow rules and features of OpenFlow 1.3/1.5
- Support for VLANs and tunneling protocols (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
- Integration of DHCP and DNS services
- Utilizing OVN for Kubernetes networking
- Comparing OVN with traditional Open vSwitch deployments
Implementation of FRRouting (FRR)
- Overview of FRR architecture and components
- Installation basics and configuration
- BGP configuration and policy management
- Deployment of OSPF and OSPFv3
- IS-IS for data center fabrics
- BFD for rapid failure detection
- Route filtering and redistribution techniques
EVPN and VXLAN with FRR
- Fundamentals and use cases of EVPN
- VXLAN control plane utilizing BGP EVPN
- MAC address advertisement and learning mechanisms
- Configuration of distributed anycast gateways
- Multi-tenant Layer 3 VPNs using EVPN
- Troubleshooting EVPN deployments
Overview of SDN Controllers
- The role of the SDN controller within network architecture
- Deployment models for controllers (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
- Basics of MD-SAL and application development
- OpenFlow plugin and switch management
- YANG models and data modeling concepts
- REST API and northbound interfaces
Deploying ONOS
- Architecture and components of ONOS
- Installation and cluster setup procedures
- Device and link discovery mechanisms
- Application development model in ONOS
- 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 development (RYU, POX, ryu)
- Writing custom SDN applications
Automation and Orchestration
- Using Ansible for network automation
- Terraform for network infrastructure management
- Configuration management at scale
- Continuous deployment for network updates
- Integration with CI/CD pipelines
Traffic Engineering and Policies
- Traffic classification and marking techniques
- Implementation of Quality of Service (QoS) using OVS/FRR
- Policy-based routing strategies
- Path computation and optimization
- Introduction to Segment Routing
- Monitoring traffic flows and performance metrics
Security in SDN Environments
- Security considerations for controllers
- Securing OpenFlow channels via TLS
- Access control and RBAC for SDN systems
- Network segmentation and micro-segmentation techniques
- DDoS mitigation strategies using SDN
- Security monitoring and incident response protocols
SDN for Data Centers and Cloud Environments
- Data center fabric design utilizing SDN
- Network virtualization for multi-tenancy support
- Integration of SDN with OpenStack and Kubernetes
- Service chaining and NFV integration
- Hybrid cloud networking approaches with SDN
Production Deployment and Operations
- Designing high availability for SDN controllers
- Scalability planning and performance tuning
- Backup and recovery strategies
- Monitoring SDN infrastructure
- Troubleshooting SDN environments
- Upgrade procedures and maintenance scheduling
Summary and Future Directions
- Challenges in SDN adoption and lessons learned
- P4 and programmable data planes
- Utilizing AI/ML for network automation
- Emerging standards and protocols
- Community resources and opportunities for continuing education
Requirements
- A strong grasp of TCP/IP networking and routing protocols
- Experience with Linux networking tools (iproute2, iptables, nftables)
- Understanding of switching and VLAN concepts
- Familiarity with network monitoring and troubleshooting techniques
- Basic proficiency in Python or shell scripting
Target Audience
- Network Engineers transitioning to SDN
- DevOps Engineers managing network infrastructure
- Cloud Infrastructure Architects
- System Administrators responsible for network configuration
35 Hours
