MODULE – 1

JOURNEY TO THE CLOUD

Module 1: Journey to the Cloud

Upon completion of this module, you should be able to:• List the Business drivers for Cloud computing• Define Cloud computing• Build Cloud infrastructure• Discuss the steps involved in transitioning from CDC to Cloud

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Why Cloud Computing?

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Aging data centers

Globalization

Application explosion

Storage growth

Cost of ownership

Acquisitions

IT Challenges

“70% of the budget to keep IT running, 30% available to create new value”

“…that needs to be inverted”

“Weeks of planning, justification, and deployment and then we’re stuck with it for 5 years – even if our needs change in a month…”

“…or we could just buy it as a service – right now”

“Most of our legacy applications are stable and predictable”

“…we need to incrementally improve efficiency without disruption”

“but, new, more dynamic and fluid approaches to IT must also be leveraged for new applications and changing legacy applications”

“…new, revolutionary IT model is required”

Emergence of New IT Model – Cloud Computing

A model for enabling ubiquitous, convenient, on-demand network access to a shared pool of configurable computing resources (e.g., servers, storage, networks, applications, and services) that can be rapidly provisioned and released with minimal management effort or service provider interaction. – NIST

Cloud Computing

• Essential Cloud Characteristics On-demand self-service Broad network access Resource pooling Rapid elasticity Measured service

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“Computing may someday beorganized as a public utility, just as the electricity is organized as a public utility”

– John McCarthy, speech at MIT in 1961

Building Cloud Infrastructure

• Building Cloud infrastructure is a journey in phased approach: Understand your existing infrastructure Virtualize your infrastructure

Virtualization enables resource pooling and rapid elasticity

Deploy service management tools to deliver Cloud service Automate service provisioning to

enable on-demand self-service of computing resources over the network

Facilitate measured services

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Infrastructure should meet essential Cloud characteristics

Cloud Infrastructure Management and Service Creation Tools

Virtual Infrastructure

Physical Infrastructure

Applications and Platform Software

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Understand Existing Infrastructure – Classic Data Center

• Classic Data Center (CDC) is a facility that provides IT resources to process data• The core elements of a classic data center

are: Compute Storage Network Application Database Management System (DBMS)

Journey to the Cloud

Classic Data Center

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Virtualize the Infrastructure

• Virtualization is a technique of abstracting physical resources and making them appear as logical resources• Virtualization may be implemented at compute, storage,

network, and/or application layers Refers to as a Virtualized Data Center (VDC)

• Virtualization Benefits: Optimizes utilization of IT infrastructure Reduces cost and management complexity Reduces deployment time Increases flexibility

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Deploy Service Management Tools

• Service Management tools help to create and deliver Cloud services• Automates and Optimizes:

Service request processes Provision and delivery of services

• Enables Metering of resource usage• Manages of physical and virtual resources

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Journey to the Cloud – A Phased Approach

Classic Data Center

Virtualized Data Center

VirtualizedInfrastructure

VirtualizedInfrastructure

Cloud Services

Cloud

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Module 1: Summary

Key points covered in this module:• IT Challenges and business drivers for Cloud• Cloud computing introduction• Phases for building Cloud infrastructure• Phases in journey from CDC to Cloud

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Check Your Knowledge

1. What are the key business drivers for Cloud computing? 2. What is Cloud Computing?3. What are the steps to build a Cloud infrastructure? 4. What are the core elements of a CDC?5. What is virtualization and what are its benefits?

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MODULE 1 QUIZ

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