OpenStack is an open-source platform for building and managing private and public clouds, utilizing pooled virtual resources and various components called 'projects' to handle essential cloud services like computing, networking, and storage. The platform includes both core services such as Nova and Keystone, and optional services that enhance functionality, supporting high-availability operations with orchestration and fault management. Despite its advantages like scalability and affordability, OpenStack faces challenges including complexity and performance issues.

1. OPENSTACK

2. What is OpenStack?
• OpenStack is an open-source
platform that uses pooled
virtual resources to build and
manage private and public
clouds.
The tools that comprise the
OpenStack platform, called
"projects," handle the core cloud-
computing services of computing,
networking, storage, identity, and
image services.
• Other OpenStack
components provide
orchestration, fault
management, and services
intended to support
reliable, high-availability
operations.
• OpenStack is an open-source platform that uses pooled virtual resources to build and
manage private and public clouds.
The tools that comprise the OpenStack platform, called "projects," handle the core cloud-
computing services of computing, networking, storage, identity, and image services.
Other OpenStack components provide orchestration, fault management, and services
intended to support reliable, high-availability operations.
Businesses and service providers can deploy OpenStack on premises in the data center
to build a private cloud, in the cloud to enable or drive public cloud platforms, and at the
network edge for distributed computing systems.

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4. Timeline
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5. What are the different OpenStack components?
• OpenStack is an open-source
platform that uses pooled
virtual resources to build and
manage private and public
clouds.
The tools that comprise the
OpenStack platform, called
"projects," handle the core cloud-
computing services of computing,
networking, storage, identity, and
image services.
• Other OpenStack
components provide
orchestration, fault
management, and services
intended to support
reliable, high-availability
operations.
OpenStack is made up of a number of interconnected software components, which are
organized into core services and optional services.

6. The core services include:
This service is responsible
for managing and
provisioning virtual
machines.
NOVA
It is responsible for
authenticating users and
managing access control
for the other OpenStack
services.
Keystone
This service is responsible
for managing and storing
virtual machine images.
Glance
This service is responsible
for managing block
storage devices such as
hard disks.
Cinder
This service is responsible
for configuring virtual
networks, and for providing
advanced networking
functionality such as load
balancing and VPNs.
Neutron

7. The optional services include:
This service is responsible
for storing and managing
objects such as files and
images.
Swift
This service provides
scalable and reliable Cloud
Database-as-a-Service
provisioning capabilities.
Trove
This service provides a
web-based interface for
managing the OpenStack
cloud.
Horizon
This service is responsible
for collecting and
analyzing usage and
performance data.
Ceilometer
This service is responsible
for automating the
orchestration of multiple
composite cloud
applications.
Heat

8. Advantages
Scalable
Affordable Reliable Vendor-neutral
Secure

9. Disadvantages
Lack of
consistency
Complexity
Lack of
support
Upgrading
challenges
Performance
issues

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11. Nova Scheduler Service
• OpenStack is an open-source
platform that uses pooled
virtual resources to build and
manage private and public
clouds.
The tools that comprise the
OpenStack platform, called
"projects," handle the core cloud-
computing services of computing,
networking, storage, identity, and
image services.
• Other OpenStack
components provide
orchestration, fault
management, and services
intended to support
reliable, high-availability
operations.
The OpenStack nova-scheduler service supports plugins to filter which hosts are eligible
candidates on which to schedule a virtual machine. The AppFormix Filter queries the Contrail
Insights Platform to determine if a host is compliant with the Host Scheduling service-level
agreement (SLA). If a host is not compliant with the SLA policy, then the host is filtered from
the list of eligible hosts.
If the AppFormix Filter fails to request the SLA status of a host, then the host remains in the
eligible pool.

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13. OpenStack Controller
• OpenStack is an open-source
platform that uses pooled
virtual resources to build and
manage private and public
clouds.
The tools that comprise the
OpenStack platform, called
"projects," handle the core cloud-
computing services of computing,
networking, storage, identity, and
image services.
• Other OpenStack
components provide
orchestration, fault
management, and services
intended to support
reliable, high-availability
operations.
OpenStack Controller runs the Identity service, Image service, management portions of Compute,
management portion of Networking, various Networking agents, and the dashboard. The controller
also includes supporting services such as an SQL database, message queue, and NTP. Optionally, the
controller node runs portions of the Block Storage, Object Storage, Orchestration, and Telemetry
services. The controller node requires a minimum of two network interfaces.
The OpenStack controller is a crucial component of an OpenStack cloud environment since it is
responsible for managing and orchestrating the various services and resources within the
OpenStack infrastructure.

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15. Thank you for listening
Ghazale Eslami
Sina Amini