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Course Outline
1. Introduction to OpenStack
- History of the cloud and OpenStack
- Characteristics of cloud computing
- Cloud models
- Private, public, and hybrid
- On-premise, IaaS, PaaS, SaaS
- Public and private cloud implementations using OpenStack
- Open-source and commercial OpenStack distributions
- OpenStack deployment methodologies
- The OpenStack ecosystem
- Modules
- Foundational tools
- Integrations
- The OpenStack lifecycle
- OpenStack certification
- OpenStack lab (VM) dedicated to this course
2. Practical Management of OpenStack Clouds
- Understanding OpenStack
- Core OpenStack components (Keystone, Glance, Nova, Neutron, Cinder, Heat)
- Interacting with the OpenStack cloud
- OpenStack daemons and API communication flows
- Keystone - Identity Management Service
- Domains, projects, users, and roles
- Service catalogue and endpoints
- Openrc and clouds.yaml - CLI client configuration files
- Creation of users and projects
- Glance - Image Service
- Images adapted for the cloud
- Image attributes (properties, metadata, format, container)
- Uploading and downloading images
- Neutron - Networking
- Overview of Neutron architecture
- ML2 plugins for Neutron
- Fundamental Neutron network resource types
- Networking at the Compute Node
- Managing tenant networks and subnets
- East-West routing
- Managing external/provider networks
- North-South routing
- Floating IP management
- Managing security groups and rules
- Anti-spoofing - port security
- Networking quotas
- Verification of Neutron services
- Nova - Compute Service
- Nova architecture
- Interfaces to hypervisors
- Keypair management
- Flavour management
- Instance parameters
- Creating an instance
- Instance administration
- Assigning floating IPs
- Interactive console and console logs
- Security group assignment
- Accessing instances via the metadata namespace
- Capturing instance interface traffic with tcpdump
- Live-migration of VMs
- Cinder - Block Storage
- Volume parameters
- Volume creation
- Volume management
- Attaching volumes to Nova instances
3. In-depth Analysis of Neutron and its OVN Backend
- OVN architecture
- OVN components
- ML2 - OVN vs OvS driver
- Top-down OVN networking
- OpenStack logic (Neutron database)
- Northbound database
- Southbound database
- Logical datapath pipelines
- Logical flows
- OpenFlow flows
- Neutron network and OVN logical switch
- Logical ports and their types
- Switching flows
- Neutron router and OVN logical router
- NAT types
- Routing flows
- Neutron subnet and native DHCP
- DHCP flows
- Security groups in OVN
- ACLs and Port Groups
- Security group flows
- Port security in OVN
- Overview of OVN Northbound tables
- Information flow within OVN
- Neutron DB, OVN NB and SB DB, OpenFlow at OvS
- Logical flow tracing
- Defining microflows
- L2 tracing
- L3 tracing
- DHCP tracing
- Physical flows - OpenFlow
- Physical lifecycle of a VM-originated packet
- Physical tracing
- Tracing hypothetical packets
- Tracing real packets
- Displaying Open vSwitch database and resources
Requirements
- Robust networking expertise
- Familiarity with cloud computing paradigms
- Hands-on experience in managing Linux operating systems
21 Hours
Custom Corporate Training
Training solutions designed exclusively for businesses.
- Customized Content: We adapt the syllabus and practical exercises to the real goals and needs of your project.
- Flexible Schedule: Dates and times adapted to your team's agenda.
- Format: Online (live), In-company (at your offices), or Hybrid.
Price per private group, online live training, starting from 3900 € + VAT*
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