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Advanced Concepts of Cloud Computing

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Swwapnil Saali
Swwapnil Saali

This document provides an overview of advanced concepts in cloud computing. It discusses various topics such as the classification of cloud computing based on deployment models (public, private, hybrid clouds) and service models (IaaS, PaaS, SaaS). The document also covers cloud architecture, business drivers for cloud computing, why organizations choose the cloud, and considerations for cloud deployment.

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Advanced Concepts of Cloud Computing - 2014 Table of Content 1.0 EXECUTIVE SUMMARY 7 2.0 INTRODUCTION 11 3.0 CLASSIFICATION OF CLOUD COMPUTING 13 3.1 CLASSIFICATION BASED ON DEPLOYMENT MODEL 13 3.1.1 PUBLIC CLOUD 14 3.1.2 PRIVATE CLOUD 15 3.1.3 HYBRID CLOUD 16 3.2 CLASSIFICATION BASED ON SERVICE PROVIDED 17 3.2.1 INFRASTRUCTURE AS A SERVICE (IAAS) 17 3.2.2 PLATFORM AS A SERVICE (PAAS) 18 3.2.3 SOFTWARE AS A SERVICE (SAAS) 19 4.0 CLOUD ARCHITECTURE 20 4.1 OVERALL TOPOLOGY 20 4.2 SOFTWARE DEFINED NETWORKING (SDN) 21 4.3 VIRTUALIZATION 22 4.4 APPLICATION PROGRAMMING INTERFACES (API) 23 5.0 BUSINESS DRIVERS FOR CLOUD COMPUTING 24 5.1 MANAGED SERVICES 24 5.2 DISASTER RECOVERY 25 5.3 FLEXIBLE OPERATION 27 5.3.1 PUBLIC CLOUD 28 5.3.2 PRIVATE CLOUD 28 5.3.3 HYBRID CLOUD 29
6.0 CLOUD COMPUTING AS A UTILITY 30 7.0 WHY ORGANIZATIONS CHOOSE THE CLOUD 32 7.1 EXPENDITURE REDUCTION 32 7.1.1 DECREASE CAPITAL COSTS 32 7.1.2 DECREASE OPERATIONAL EXPENSE 32 7.2 IMPROVE DESKTOP SUPPORT 33 7.3 IMPROVE ACCESSIBILITY 34 7.4 IMPROVE OPERATIONAL AND SERVICE DELIVERY SCALABILITY 34 7.5 OUTSOURCE TO THE CLOUD AND FOCUS ON CORE COMPETENCIES 35 8.0 CLOUD DEPLOYMENT CONSIDERATIONS AND DECISIONS 36 8.1 ROLE OF MULTITENANT SHARED CLOUD HOSTING 36 8.2 CLOUD MODE AND MODEL SELECTION CRITERIA 38 8.2.1 OPERATIONAL MODES 38 8.2.2 SERVICE MODELS 39 8.3 SECURITY ISSUES AND SOLUTIONS 41 8.4 INTEGRATION 43 8.5 VIRTUALIZATION 46 9.0 CONCLUSIONS AND RECOMMENDATIONS 48 List of Figures Figure 1: The Cloud Computing Concept 12 Figure 2: Types of Cloud 13 Figure 3: Public Cloud 14 Figure 4: Private Cloud 15 Figure 5: Hybrid Cloud 16
Figure 6: Concept of IaaS, PaaS and SaaS 17 Figure 7: The Cloud Architecture 20 Figure 8: The Cloud Computing Topology 20 Figure 9: Software Defined Networking 21 Figure 10: Traditional Architecture vs Virtual Architecture (Virtualization) 22

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Advanced Concepts of Cloud Computing

  • 1. Advanced Concepts of Cloud Computing - 2014 Table of Content 1.0 EXECUTIVE SUMMARY 7 2.0 INTRODUCTION 11 3.0 CLASSIFICATION OF CLOUD COMPUTING 13 3.1 CLASSIFICATION BASED ON DEPLOYMENT MODEL 13 3.1.1 PUBLIC CLOUD 14 3.1.2 PRIVATE CLOUD 15 3.1.3 HYBRID CLOUD 16 3.2 CLASSIFICATION BASED ON SERVICE PROVIDED 17 3.2.1 INFRASTRUCTURE AS A SERVICE (IAAS) 17 3.2.2 PLATFORM AS A SERVICE (PAAS) 18 3.2.3 SOFTWARE AS A SERVICE (SAAS) 19 4.0 CLOUD ARCHITECTURE 20 4.1 OVERALL TOPOLOGY 20 4.2 SOFTWARE DEFINED NETWORKING (SDN) 21 4.3 VIRTUALIZATION 22 4.4 APPLICATION PROGRAMMING INTERFACES (API) 23 5.0 BUSINESS DRIVERS FOR CLOUD COMPUTING 24 5.1 MANAGED SERVICES 24 5.2 DISASTER RECOVERY 25 5.3 FLEXIBLE OPERATION 27 5.3.1 PUBLIC CLOUD 28 5.3.2 PRIVATE CLOUD 28 5.3.3 HYBRID CLOUD 29
  • 2. 6.0 CLOUD COMPUTING AS A UTILITY 30 7.0 WHY ORGANIZATIONS CHOOSE THE CLOUD 32 7.1 EXPENDITURE REDUCTION 32 7.1.1 DECREASE CAPITAL COSTS 32 7.1.2 DECREASE OPERATIONAL EXPENSE 32 7.2 IMPROVE DESKTOP SUPPORT 33 7.3 IMPROVE ACCESSIBILITY 34 7.4 IMPROVE OPERATIONAL AND SERVICE DELIVERY SCALABILITY 34 7.5 OUTSOURCE TO THE CLOUD AND FOCUS ON CORE COMPETENCIES 35 8.0 CLOUD DEPLOYMENT CONSIDERATIONS AND DECISIONS 36 8.1 ROLE OF MULTITENANT SHARED CLOUD HOSTING 36 8.2 CLOUD MODE AND MODEL SELECTION CRITERIA 38 8.2.1 OPERATIONAL MODES 38 8.2.2 SERVICE MODELS 39 8.3 SECURITY ISSUES AND SOLUTIONS 41 8.4 INTEGRATION 43 8.5 VIRTUALIZATION 46 9.0 CONCLUSIONS AND RECOMMENDATIONS 48 List of Figures Figure 1: The Cloud Computing Concept 12 Figure 2: Types of Cloud 13 Figure 3: Public Cloud 14 Figure 4: Private Cloud 15 Figure 5: Hybrid Cloud 16
  • 3. Figure 6: Concept of IaaS, PaaS and SaaS 17 Figure 7: The Cloud Architecture 20 Figure 8: The Cloud Computing Topology 20 Figure 9: Software Defined Networking 21 Figure 10: Traditional Architecture vs Virtual Architecture (Virtualization) 22