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Course Outline
SDN Fundamentals
- Comparison between traditional and software-defined networking paradigms
- SDN architecture: data plane, control plane, 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
- 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 Study of Open vSwitch
- Open vSwitch architecture and key components
- 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)
- Configuration of bonding and LACP
- Monitoring and troubleshooting OVS
OVN (Open Virtual Network)
- OVN architecture and its integration with OVS
- Logical switches and routers
- NAT, load balancing, and Access Control Lists (ACLs) in 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)
- Overview of FRR architecture and components
- Installation and basic configuration
- BGP configuration and policy implementation
- 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
- Multi-tenant layer 3 VPNs using EVPN
- Troubleshooting EVPN deployments
Overview of SDN Controllers
- The role of the SDN controller within network architecture
- Controller deployment models: centralized, distributed, and hybrid
- Introduction to OpenDaylight and its architecture
- Overview of the ONOS platform
- Criteria for selecting appropriate controllers
Deploying OpenDaylight
- Installation and setup of OpenDaylight
- Karaf container and service management
- Basics of MD-SAL and application development
- OpenFlow plugin usage and switch management
- Understanding YANG models and data modeling
- 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 within ONOS
- Intent-based networking features in ONOS
- Integration with programmable pipelines (P4, NPL)
Network Programmability
- Utilization of REST APIs and JSON-RPC for network automation
- Understanding gNMI (gRPC Network Management Interface)
- YANG data modeling for configuration purposes
- Use of NETCONF and RESTCONF clients
- Python libraries for SDN development (RYU, POX)
- Writing custom SDN applications
Automation and Orchestration
- Applying Ansible for network automation
- Using Terraform for network infrastructure provisioning
- Managing configuration at scale
- Implementing continuous deployment for network changes
- Integration with CI/CD pipelines
Traffic Engineering and Policy Implementation
- Traffic classification and marking techniques
- Implementation of Quality of Service (QoS) with OVS/FRR
- Policy-based routing strategies
- Path computation and optimization methods
- Introduction to segment routing
- Monitoring traffic flows and performance metrics
Security in SDN Environments
- Security considerations for controllers
- Securing OpenFlow channels using TLS
- Access control and Role-Based Access Control (RBAC) for SDN
- Network segmentation and micro-segmentation techniques
- DDoS mitigation strategies leveraging SDN
- Security monitoring and incident response procedures
SDN Applications in Data Centers and Cloud Environments
- Designing data center fabrics with SDN
- Network virtualization for multi-tenant environments
- Integration of SDN with OpenStack and Kubernetes
- Service chaining and NFV integration
- Hybrid cloud networking solutions using SDN
Production Deployment and Operational Management
- Designing high availability for SDN controllers
- Planning scalability and performance tuning
- Backup and recovery strategies
- Monitoring SDN infrastructure components
- Troubleshooting SDN environments
- Upgrade procedures and maintenance window management
Summary and Future Directions
- Challenges of SDN adoption and lessons learned
- P4 programming and programmable data planes
- Application of AI/ML in network automation
- Emerging standards and protocols
- Community resources and opportunities for continuing education
Requirements
- Comprehensive understanding of TCP/IP networking and routing protocols
- Hands-on experience with Linux networking tools (iproute2, iptables, nftables)
- Familiarity with switching and VLAN concepts
- Knowledge of network monitoring and troubleshooting techniques
- Basic proficiency in Python or shell scripting
Target Audience
- Network Engineers transitioning to SDN environments
- DevOps Engineers managing network infrastructure
- Cloud Infrastructure Architects
- System Administrators responsible for network configuration
35 Hours
