00 Cloud Technology Concepts

 00 Cloud Technology Concepts

Category	Concept	Description
Core Principles	On-demand self-service	Provision resources without human interaction
	Broad network access	Accessible over internet
	Resource pooling	Multi-tenant shared infrastructure
	Rapid elasticity	Scale resources dynamically
	Measured service	Pay-as-you-go pricing
Service Models	IaaS	Infrastructure (VMs, storage, network)
	PaaS	Platform for app development
	SaaS	Fully managed software
	FaaS / Serverless	Event-driven code execution
Deployment Models	Public Cloud	Shared cloud (AWS, Azure, GCP)
	Private Cloud	Dedicated infrastructure
	Hybrid Cloud	On-prem + cloud
	Multi-cloud	Multiple cloud providers
Compute	Virtual Machines	Emulated physical computers
	Containers	Lightweight app packaging
	Serverless Compute	Run code without servers
	Auto Scaling	Automatic scaling of resources
Storage	Object Storage	Store unstructured data
	Block Storage	Disk-level storage
	File Storage	Shared file systems
Networking	Virtual Network (VPC/VNet)	Isolated cloud network
	Subnets	Segmented network sections
	DNS	Domain name resolution
	VPN / ExpressRoute	Secure connectivity
	Load Balancer	Traffic distribution
	CDN	Content delivery optimization
Virtualization	Hypervisors	VM management layer
	Virtual Machines	OS-level virtualization
	Containers	OS-level isolation
	Kubernetes	Container orchestration
Security	IAM	Identity and access control
	Authentication	Verify identity
	Authorization	Grant permissions
	RBAC	Role-based access
	Encryption	Data protection
	Firewalls	Network security
	Zero Trust	Never trust, always verify
	Secrets Management	Secure credentials
Architecture	Monolithic	Single-tier application
	Microservices	Distributed services
	Event-driven	Trigger-based systems
	Serverless Architecture	Function-based apps
	N-tier Architecture	Layered design
	API-first	API-centric design
Data & Databases	Relational DB	Structured data (SQL)
	NoSQL DB	Flexible schema
	Data Warehouse	Analytical storage
	Data Lake	Raw data storage
	Big Data	Large-scale processing
	Streaming	Real-time data flow
DevOps	CI/CD	Automated pipelines
	Infrastructure as Code	Scripted infrastructure
	Terraform	IaC tool
	ARM/Bicep	Azure IaC tools
	GitOps	Git-based deployments
Monitoring	Logging	Record system events
	Metrics	Performance data
	Tracing	Request tracking
	Alerts	Notifications
	APM	App performance monitoring
Scalability	Horizontal Scaling	Add more instances
	Vertical Scaling	Increase power
	Load Balancing	Traffic distribution
	Caching	Speed optimization
	Latency Optimization	Reduce delays
	High Availability	Minimal downtime
Backup & DR	Backup	Data copies
	Snapshots	Point-in-time backup
	Geo-replication	Multi-region copies
	Failover	Switch to backup system
	RTO	Recovery time objective
	RPO	Recovery point objective
Cost Management	Pay-as-you-go	Usage-based pricing
	Reserved Instances	Discounted long-term use
	Spot Instances	Cheap unused capacity
	Budgeting	Cost tracking
	Cost Optimization	Reduce expenses
Testing & Reliability	Chaos Engineering	Failure testing
	Fault Tolerance	Handle failures
	Resilience	Recover from issues
	Blue-Green Deployments	Zero downtime release
	Canary Releases	Gradual rollout
Integration	REST APIs	Standard web APIs
	GraphQL	Flexible APIs
	API Gateway	API management