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Definition of Terms
- Virtualization allows for computer resource abstraction and creating isolated environments called virtual machines.
- Server Virtualization, Desktop Virtualization, Network Virtualization, Storage Virtualization, and Application Virtualization are key types of virtualization.
- Scalability refers to the ability of a system to handle an increasing amount of work or accommodate growth by adding resources, either by scaling up or scaling out.
- Vertical Scaling and Horizontal Scaling are types of scalability.
- Agility in cloud computing refers to the ability to quickly and efficiently respond to changes in demand, market conditions, or business requirements.
- Rapid Deployment, On-Demand Resource Availability, Innovation Enablement, Flexibility, Cost Efficiency, and Global Reach are key aspects of agility in cloud computing.
- High Availability in cloud computing refers to the design and implementation of systems that aim to ensure a high level of operational performance, typically by minimizing downtime and service interruptions.
- Redundancy, Failover, Load Balancing, Data Replication, Monitoring and Self-Healing, Geographic Distribution are key components of High Availability.
- Fault Tolerance in cloud computing refers to the ability of a system to continue operating correctly even in the presence of hardware or software failures.
- Redundancy, Failover Mechanisms, Replication, Error Detection and Correction, Geographic Distribution, Monitoring and Alerting, Automated Backups and Recovery are key concepts of Fault Tolerance.
- Global Reach in cloud computing refers to the ability of cloud platforms to provide services and infrastructure that are accessible from virtually any location around the world.
- Geographically Distributed Data Centers, Content Delivery Networks, Multi-Region Deployments, Global Load Balancing, Global Networking Solutions, Disaster Recovery and Backup Across Regions, Global Databases and Data Replication, Multi-National Compliance are key features of Global Reach in the Cloud.
- Scalability is about planned growth, and adding resources over long-term demand. Elasticity refers to the system's ability to automatically increase or decrease resources based on real-time demand.
- Scalability is proactive, while Elasticity is reactive.
- Horizontal Scaling and Vertical Scaling are scalability types, while Auto-Scaling is a characteristic of Elasticity.
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