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Course Outline
SDN Fundamentals
- Comparison between traditional and software-defined networking paradigms
- SDN architecture: data plane, control plane, and application plane
- Fundamentals of the OpenFlow protocol
- Advantages and challenges associated with SDN adoption
- 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 Quality of Service (QoS) and shaping
- VXLAN and GRE tunneling in Linux environments
- Network configuration management tools (systemd-networkd, NetworkManager)
Open vSwitch Deep Dive
- Architecture and components of Open vSwitch
- Installation procedures and initial setup
- Bridge configuration and port management
- Flow rules and features of OpenFlow 1.3/1.5
- Support for VLANs and tunneling (VXLAN, Geneve, GRE)
- Bonding and LACP configuration
- Monitoring and troubleshooting OVS
OVN (Open Virtual Network)
- OVN architecture and its integration with OVS
- Logical switches and routers
- NAT, load balancing, and ACLs within OVN
- Integration of DHCP and DNS services
- Utilization of OVN for Kubernetes networking
- Differences between OVN and traditional Open vSwitch deployments
FRRouting (FRR) Implementation
- Overview of FRR architecture and components
- Installation and basic configuration
- BGP configuration and policy management
- Deployment of OSPF and OSPFv3
- IS-IS implementation 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
- Implementation of 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
- Basics of MD-SAL and application development
- OpenFlow plugin and switch management
- YANG models and data modeling techniques
- 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
- Intent-based networking with ONOS
- Integration with programmable pipelines (P4, NPL)
Network Programmability
- Use of REST APIs and JSON-RPC for network automation
- gNMI (gRPC Network Management Interface)
- YANG data modeling for configuration purposes
- NETCONF and RESTCONF clients
- Python libraries for SDN development (RYU, POX, ryu)
- Writing custom SDN applications
Automation and Orchestration
- Ansible for network automation tasks
- Terraform for defining network infrastructure
- Configuration management at scale
- Continuous deployment strategies for network changes
- 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 configurations
- Path computation and optimization methods
- Introduction to segment routing
- Monitoring traffic flows and performance metrics
Security in SDN Environments
- Considerations for controller security
- Securing OpenFlow channels with TLS
- Access control and Role-Based Access Control (RBAC) for SDN
- Network segmentation and micro-segmentation strategies
- DDoS mitigation techniques using SDN
- Security monitoring and incident response protocols
SDN for Data Centers and Cloud
- Data center fabric design utilizing SDN
- Network virtualization for multi-tenancy support
- Integration of SDN with OpenStack and Kubernetes
- Service chaining and NFV integration approaches
- Hybrid cloud networking solutions using SDN
Production Deployment and Operations
- High availability design principles for SDN controllers
- Scalability planning and performance tuning
- Backup and recovery strategies
- Monitoring the SDN infrastructure
- Troubleshooting techniques for SDN environments
- Upgrade procedures and maintenance window management
Summary and Future Directions
- Challenges of SDN adoption and lessons learned
- P4 and programmable data planes
- Application of AI/ML in network automation
- Emerging standards and protocols in the field
- Community resources and paths for continuing education
Requirements
- Strong understanding of TCP/IP networking and routing protocols
- Experience with Linux networking (including iproute2, iptables, and nftables)
- Knowledge of switching and VLAN concepts
- Familiarity with network monitoring and troubleshooting techniques
- Basic experience with 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
