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Course Outline
SDN Fundamentals
- Comparing traditional versus software-defined networking paradigms
- SDN architecture components: data plane, control plane, and application plane
- Essentials of the OpenFlow protocol
- Key benefits and adoption challenges of SDN
- Overview of the open source SDN ecosystem
Linux Networking Foundations
- Utilizing network namespaces for isolation
- Comparing Linux bridges with Open vSwitch
- Applying Traffic Control (tc) for QoS and shaping
- Implementing VXLAN and GRE tunneling within Linux
- Managing network configurations via systemd-networkd and NetworkManager
Open vSwitch Deep Dive
- Exploring Open vSwitch architecture and core components
- Installation and initial configuration steps
- Setting up bridges and managing ports
- Defining flow rules and leveraging OpenFlow 1.3/1.5 features
- Support for VLANs and tunneling protocols (VXLAN, Geneve, GRE)
- Configuring Bonding and LACP
- Monitoring and troubleshooting Open vSwitch
OVN (Open Virtual Network)
- Understanding OVN architecture and its integration with OVS
- Configuring logical switches and routers
- Implementing NAT, load balancing, and ACLs within OVN
- Integrating DHCP and DNS services
- Using OVN for Kubernetes networking
- Comparing OVN with traditional Open vSwitch deployments
FRRouting (FRR) Implementation
- FRR architecture and component overview
- Basics of installation and configuration
- Setting up BGP configurations and policies
- Deploying OSPF and OSPFv3
- Utilizing IS-IS for data center fabrics
- Implementing BFD for rapid failure detection
- Managing route filtering and redistribution
EVPN and VXLAN with FRR
- Core concepts and use cases for EVPN
- Configuring the VXLAN control plane using BGP EVPN
- Advertising and learning MAC addresses
- Setting up distributed anycast gateways
- Creating multi-tenant Layer 3 VPNs with EVPN
- Troubleshooting EVPN deployments
SDN Controllers Overview
- The role of the SDN controller in network architecture
- Deployment models: centralized, distributed, and hybrid
- Introduction to OpenDaylight and its architecture
- Overview of the ONOS platform
- Criteria for selecting the appropriate controller
Deploying OpenDaylight
- Installing and setting up OpenDaylight
- Managing the Karaf container and associated services
- Fundamentals of MD-SAL and application development
- OpenFlow plugins and switch management
- Working with YANG models and data modeling
- Utilizing REST APIs and northbound interfaces
Deploying ONOS
- ONOS architecture and component breakdown
- Installation and cluster setup procedures
- Discovering devices and links
- The application development model in ONOS
- Implementing intent-based networking with ONOS
- Integration with programmable pipelines (P4, NPL)
Network Programmability
- Using REST APIs and JSON-RPC for network automation
- Introduction to gNMI (gRPC Network Management Interface)
- Applying YANG data modeling for configuration
- Utilizing NETCONF and RESTCONF clients
- Working with Python libraries for SDN (RYU, POX, ryu)
- Developing custom SDN applications
Automation and Orchestration
- Leveraging Ansible for network automation
- Using Terraform for network infrastructure provisioning
- Scaling configuration management
- Implementing continuous deployment for network changes
- Integrating with CI/CD pipelines
Traffic Engineering and Policies
- Classifying and marking network traffic
- Implementing Quality of Service (QoS) using OVS/FRR
- Configuring policy-based routing
- Computing and optimizing network paths
- Introduction to segment routing
- Monitoring traffic flows and performance metrics
Security in SDN Environments
- Security considerations for SDN controllers
- Securing OpenFlow channels via TLS
- Implementing Access Control and RBAC for SDN
- Network segmentation and micro-segmentation strategies
- Mitigating DDoS attacks with SDN capabilities
- Security monitoring and incident response protocols
SDN for Data Centers and Cloud
- Designing data center fabrics with SDN
- Network virtualization for multi-tenancy
- Integrating SDN with OpenStack and Kubernetes
- Service chaining and NFV integration
- Hybrid cloud networking enabled by SDN
Production Deployment and Operations
- Designing high availability for SDN controllers
- Planning for scalability and performance tuning
- Developing backup and recovery strategies
- Monitoring the SDN infrastructure
- Troubleshooting complex SDN environments
- Managing upgrade procedures and maintenance windows
Summary and Future Directions
- Challenges in SDN adoption and key lessons learned
- P4 and programmable data planes
- Applying AI/ML for network automation
- Emerging standards and protocols
- Accessing community resources and continuing education
Requirements
- A strong grasp of TCP/IP networking and core routing protocols
- Practical experience with Linux networking utilities (iproute2, iptables, nftables)
- Understanding of switching mechanisms and VLAN concepts
- Proficiency in network monitoring and troubleshooting techniques
- Basic knowledge of Python or shell scripting
Target Audience
- Network Engineers making the transition to SDN
- DevOps Engineers responsible for network infrastructure
- Cloud Infrastructure Architects
- System Administrators handling network configurations
35 Hours
