Introduction to OpenStack Cloud Platform – ZTE (TECS)

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Introduction to OpenStack

OpenStack is an open-source cloud computing platform that provides Infrastructure-as-a-Service (IaaS). It allows users to create and manage large groups of virtual private servers in a data center. OpenStack is highly scalable and supports both public and private clouds.

Architecture

OpenStack's architecture is modular, consisting of several interrelated components that control different aspects of the cloud environment:

1. Compute (Nova): Manages and provisions large numbers of virtual machines.
2. Networking (Neutron): Provides connectivity as a service for other OpenStack services.
3. Storage:
   • Block Storage (Cinder): Manages block storage devices.
   • Object Storage (Swift): Stores and retrieves unstructured data objects.
4. Identity (Keystone): Provides authentication and authorization services.
5. Image (Glance): Stores and retrieves virtual machine disk images.
6. Dashboard (Horizon): Provides a web-based user interface to OpenStack services.
7. Orchestration (Heat): Manages the lifecycle of infrastructure and applications within OpenStack.
8. Telemetry (Ceilometer): Monitors and meters the OpenStack cloud for billing, benchmarking, scalability, and statistics.

Key Components

OpenStack's key components include:

• Nova: The compute service that manages virtual machines.
• Neutron: The networking service that provides network connectivity.
• Cinder: The block storage service that manages volumes.
• Swift: The object storage service for storing and retrieving data.
• Keystone: The identity service for authentication and authorization.
• Glance: The image service for managing VM images.
• Horizon: The dashboard for managing OpenStack services.
• Heat: The orchestration service for automating cloud applications.
• Ceilometer: The telemetry service for monitoring and metering.

Landscape

OpenStack is widely adopted across various industries due to its flexibility and open-source nature. It is used by enterprises, service providers, and research institutions to build and manage cloud environments. The OpenStack landscape includes a vibrant community of developers and users who contribute to its continuous improvement.

Deployment Overview

Deploying OpenStack involves several steps:

1. Planning: Define the architecture and components needed based on the use case.
2. Installation: Use deployment tools like Ansible, Puppet, or OpenStack-Ansible to install OpenStack services.
3. Configuration: Configure the services to meet the specific requirements of the cloud environment.
4. Testing: Verify the deployment by launching instances and testing network connectivity.
5. Operation: Manage and monitor the cloud environment using OpenStack's dashboard and CLI tools.

ZTE's TECS Platform

ZTE's Tulip Elastic Cloud System (TECS) is a carrier-grade cloud platform based on OpenStack. TECS leverages OpenStack to provide a robust and scalable cloud environment tailored for telecommunications. Key features of TECS include:

• Carrier-Grade Reliability: Enhanced performance and reliability to meet the demands of telecom operators.
• Elastic Scalability: Supports global resource scheduling and elastic capacity scalability.
• Flexible Network Adjustment: Allows for flexible deployment of IT and CT applications.
• Microservice Architecture: Utilizes a cloud-native microservice architecture for rapid service development and deployment.
• Edge Computing: Supports Multi-access Edge Computing (MEC) for edge data centers.

ZTE's TECS platform is designed to address the challenges of the 5G and IoT era, providing a solid foundation for telecom operators to build and manage their cloud infrastructure.