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Course Outline
Fundamentals of SDN
- Comparison between traditional and software-defined networking paradigms
- SDN architecture: data plane, control plane, and application plane
- Core principles of the OpenFlow protocol
- Benefits and challenges associated with SDN adoption
- Overview of the open source SDN ecosystem
Foundations of Linux Networking
- Network namespaces and isolation techniques
- Differences between Linux bridges and Open vSwitch
- Traffic control (tc) for Quality of Service (QoS) and shaping
- VXLAN and GRE tunneling implementations in Linux
- Network configuration management using systemd-networkd and NetworkManager
In-Depth Analysis of Open vSwitch
- Architecture and components of Open vSwitch
- Installation procedures and initial setup
- Configuration of bridges and management of ports
- Flow rules and features of OpenFlow versions 1.3 and 1.5
- Support for VLANs and tunneling protocols (VXLAN, Geneve, GRE)
- Configuration of bonding and LACP
- Monitoring and troubleshooting techniques for OVS
OVN (Open Virtual Network)
- Architecture of OVN and its integration with OVS
- Logical switches and routers
- NAT, load balancing, and Access Control Lists (ACLs) within OVN
- Integration of DHCP and DNS services
- Utilization of OVN for Kubernetes networking
- Comparison between OVN and traditional Open vSwitch deployments
Implementation of FRRouting (FRR)
- Architecture and component overview of FRR
- Basics of installation and configuration
- Configuration of BGP and associated policies
- Deployment of OSPF and OSPFv3
- Use of IS-IS for data center fabrics
- BFD for rapid failure detection
- Route filtering and redistribution techniques
EVPN and VXLAN Integration 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
- Multitenant 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 appropriate controllers
Deploying OpenDaylight
- Installation and setup procedures for OpenDaylight
- Management of services within the Karaf container
- Basics of MD-SAL and application development
- Management of switches using the OpenFlow plugin
- Application of YANG models for data modeling
- Utilization of REST APIs and northbound interfaces
Deploying ONOS
- Architecture and components of ONOS
- Installation procedures and cluster setup
- Discovery of devices and links
- Model for application development
- Intent-based networking capabilities 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
- Utilization of NETCONF and RESTCONF clients
- Python libraries for SDN development (RYU, POX, ryu)
- Creation of custom SDN applications
Automation and Orchestration
- Leveraging Ansible for network automation
- Utilizing Terraform for network infrastructure management
- Managing configurations at scale
- Implementing continuous deployment for network changes
- Integration with CI/CD pipelines
Traffic Engineering and Policies
- Classification and marking of traffic
- Implementation of Quality of Service (QoS) using OVS/FRR
- Policy-based routing techniques
- Path computation and optimization strategies
- Introduction to segment routing
- Monitoring traffic flows and performance metrics
Security in SDN Environments
- Considerations for controller security
- Secure OpenFlow channels via 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 Applications in Data Centers and Clouds
- Designing data center fabrics with SDN
- Implementing network virtualization for multitenancy
- Integrating SDN with OpenStack and Kubernetes
- Service chaining and NFV integration
- Hybrid cloud networking solutions using SDN
Production Deployment and Operations
- Designing high availability for SDN controllers
- Planning scalability and performance tuning
- Strategies for backup and recovery
- Monitoring the SDN infrastructure
- Troubleshooting techniques for SDN environments
- Upgrade procedures and maintenance windows
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
- Community resources and opportunities for continuing education
Requirements
- A robust understanding of TCP/IP networking and routing protocols
- Practical experience with Linux networking tools (iproute2, iptables, nftables)
- Knowledge of switching mechanisms and VLAN concepts
- Familiarity with network monitoring and troubleshooting techniques
- Basic proficiency in Python or shell scripting
Target Audience
- Network Engineers transitioning to SDN methodologies
- DevOps Engineers overseeing network infrastructure
- Cloud Infrastructure Architects
- System Administrators responsible for network configuration
35 Hours
