ICTCLD401

Topic 2

Introduction to Cloud Computing


TAFE SA

What is Cloud Computing?

Definition

Cloud Computing is the delivery of computing services over the Internet ("the cloud").

Key Services

Servers

Storage

Networking

Software

Analytics

Intelligence

All accessible from anywhere with internet

Key Benefits

  • Faster Innovation
  • Flexible Resources
  • Economies of Scale

Pay only for what you use • No upfront investment • Quick deployment

Topic 2 - Introduction to Cloud Computing

Cloud Computing vs. Traditional IT Infrastructure

Traditional IT Cloud Computing
Location
Physical servers on premises
Location
Managed online via Internet
Ownership
Organization owns hardware
Ownership
Owned by third-party providers
Maintenance
In-house maintenance required
Maintenance
Handled by providers
Resources
Requires dedicated space, staff, security
Resources
Managed by providers, rapid deployment

Topic 2 - Introduction to Cloud Computing

Advantages and Disadvantages of Cloud Computing

Advantages

Cost
Pay-as-you-go model, no large upfront investments
Example: Start small, pay only for what you use
Scalability
Quickly scale resources up or down based on business needs
Example: Handle traffic spikes during promotions
Flexibility
Access data from any location with internet connection
Example: Remote work capabilities
Security
Robust security measures and dedicated personnel
Example: Enterprise-grade protection
Ease of Use
Go global in minutes, no complex setup required
Example: Rapid deployment of new services

Disadvantages

Control
Limited control over IT infrastructure environment
Example: Vendor lock-in concerns
Customization
Limited ability to customize infrastructure
Example: Standardized configurations
Performance
Potential issues with immediate data access and response times
Example: Latency-sensitive applications

Topic 2 - Introduction to Cloud Computing

Cloud Computing Standards

ISO/IEC 22123-1
Vocabulary for Cloud Computing
Defines terms used in cloud computing to establish a common vocabulary for stakeholders
ISO/IEC 22123-2
Concepts for Cloud Computing
Specifies concepts used in cloud computing, building upon the vocabulary standard
ISO/IEC 22123-3
Cloud Computing Reference Architecture
Provides a high-level framework for designing and organizing cloud-based systems
ISO/IEC 27001
Information Security Management Systems
Framework for data security, privacy compliance, and risk management. Organizations using cloud services must ensure compliance with ISO/IEC 27001 to secure data across all forms.
Australian Privacy Principles
Privacy Act 1988
Framework for managing personal information and ensuring privacy protection
Accessing Standards
TAFE SA students can access these standards through the TAFE SA Libraries Techstreet database.

Topic 2 - Introduction to Cloud Computing

Topic Summary

Cloud vs. Traditional IT
Cloud
Internet delivery
VS
Traditional
On-premises
No hardware investment
Remote accessibility
Limited customization
Advantages & Considerations
Advantages
Cost-effective
Scalable
Flexible
Secure
Considerations
Control
Customization
Performance
Cloud Standards
ISO 22123-1
ISO 22123-2
ISO 22123-3
ISO 27001
Australian Privacy Principles
Ensure consistency, security & best practices

Learning Objectives

Define cloud computing and its key services
Compare cloud with traditional IT infrastructure
Identify advantages and limitations of cloud computing
Understand relevant cloud computing standards

Topic 2 - Introduction to Cloud Computing | ICTCLD401

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