Analysis of Cloud Computing Models and Migration Strategies for DTGOV

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ITC561 - CLOUD COMPUTING - ASSESSMENT
ITEM 2 - CONCEPTS AND MODELS
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Introduction
 Cloud computing concept
 Various architecture
 Best model suitable for the implementation by DTGOV
 Migration of on-premises infrastructure to online cloud
infrastructure

Cloud computing concept
 Cloud-based computation
 Sharing of computer resources over the internet
 Virtual infrastructure

Cloud computing architecture
It consists of different components combined for cloud
computing.
 Front-end user interface
 Server
 Cloud-based interface

IaaS instance
 Cloud computing
 Virtual computing over the internet

Architecture and working of IaaS instance
on DTGOV web server
Architecture:
 Three data centers of DTGOV
 Data servers of DTGOV (more than 100, 000)
 The storage capacity of approx.10, 000 terabytes
 Interconnectivity of full mesh topology

Architecture and working of IaaS instance
on DTGOV web server
Working:
 Creation of virtual machines
 Monitoring
 Load balancing
 Security
 Storage resiliency
 Network traffic balancing

Impact of IaaS implementation on DTGOV
web services
 Cost-effective operation
 Easy and fast management for workload
 Easy accessibility
 Elimination of guessing capacity

User benefits with IaaS implementation
 Easy payment method
 High efficiency of work
 Reduced costing

User benefits with IaaS implementation
 Decreased workload
 Increased work speed
 Easy record management

Types of Cloud Architectures
 Infrastructure as a Service (IaaS)
 Platform as a Service (PaaS)
 Software as a Service (SaaS)

Infrastructure as a Service (IaaS)
 Basic building blocks to cloud IT
 Virtual computation
 High flexibility
 High management
 Similar to the current resources of IT