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Cloud computing and networks 101, Summaries of Computer Networks

Content having basic knowledge of cloud computing. Uses, benefits, works etc to educate people about networks in this fastest moving world.

Typology: Summaries

2023/2024

Available from 12/12/2024

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CLOUD COMPUTING – DATA STORAGE
AND BACKUP
Cloud computing refers to the delivery of computing service, including
servers, storage, databases, networking, software, analytics, and
intelligence over the internet ("the cloud"). This model allows users to
access and use technology resources without owning and managing
physical infrastructure. Here are some key aspects of cloud computing:
Key Characteristics
1. On-Demand Self-Service : Users can provision computing resources
automatically without requiring human intervention from the service
provider.
2. Broad Network Access: Services are accessible over the network and
can be used by various devices (e.g., laptops, tablets, smartphones).
3. Resource Pooling: Providers serve multiple clients from a shared pool of
resources, dynamically assigning and reallocating as needed.
4. Rapid Elasticity: Resources can be scaled up or down quickly,
depending on demand.
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CLOUD COMPUTING – DATA STORAGE

AND BACKUP

Cloud computing refers to the delivery of computing service, including servers, storage, databases, networking, software, analytics, and intelligence over the internet ("the cloud"). This model allows users to access and use technology resources without owning and managing physical infrastructure. Here are some key aspects of cloud computing:

Key Characteristics

  1. On-Demand Self-Service : Users can provision computing resources automatically without requiring human intervention from the service provider.
  2. Broad Network Access: Services are accessible over the network and can be used by various devices (e.g., laptops, tablets, smartphones).
  3. Resource Pooling: Providers serve multiple clients from a shared pool of resources, dynamically assigning and reallocating as needed.
  4. Rapid Elasticity: Resources can be scaled up or down quickly, depending on demand.
  1. Measured Service: Cloud systems automatically control and optimize resource use by leveraging a metering capability.

Types of Cloud Services

  1. Infrastructure as a Service (IaaS): Provides virtualized computing resources over the internet. Examples include Amazon Web Services (AWS) EC2 and Microsoft Azure.
  2. Platform as a Service (PaaS): Offers a platform allowing customers to develop, run, and manage applications without dealing with infrastructure. Examples include Google App Engine and Heroku.
  3. Software as a Service (SaaS): Delivers software applications over the internet on a subscription basis. Common examples are Microsoft 365 and Salesforce.

Deployment Models

  1. Public Cloud: Services are delivered over the public internet and shared across multiple organizations. Examples include AWS, Google Cloud, and Microsoft Azure.
  2. Private Cloud: Resources are used exclusively by one organization, offering more control and security.

 Application Hosting: Running applications in the cloud without local installation.  Big Data Analytics: Leveraging cloud resources for processing large datasets.  Development and Testing: Creating development environments quickly and efficiently. Cloud computing continues to evolve, providing organizations with innovative ways to enhance their IT capabilities while reducing costs and increasing efficiency.

DATA STORAGE AND BACKUP

Cloud computing has revolutionized data storage and backup,

offering flexibility, scalability, and accessibility. Here’s an overview

of its key aspects:

Benefits of Cloud Data Storage

  1. Scalability: Easily increase or decrease storage capacity based on your needs without investing in physical hardware.
  2. Accessibility: Access your data from anywhere with an internet connection, making collaboration easier.
  3. Cost-Effectiveness: Pay only for what you use, reducing the need for large upfront investments in hardware.
  1. Automatic Updates: Providers manage software updates and infrastructure maintenance, ensuring you always have the latest features and security patches.
  2. Disaster Recovery: Many cloud providers offer robust backup solutions that protect against data loss due to hardware failure, natural disasters, or cyberattacks.

Types of Cloud Storage

  1. Public Cloud: Services like Amazon S3, Google Cloud Storage, and Microsoft Azure provide shared resources over the internet.
  2. Private Cloud: Dedicated infrastructure for a single organization, offering more control and security.
  3. Hybrid Cloud: Combines public and private clouds, allowing data and applications to be shared between them.

Backup Solutions

  1. Automated Backups: Many cloud storage services offer automated backup solutions that run on a schedule, ensuring data is regularly saved.
  2. Versioning: Allows users to recover previous versions of files, which is useful for accidental deletions or unwanted changes.