Cloud vs VPS
Contents
VPS: Cloud vs VPS
Both Cloud Hosting and VPS provide dedicated resources, but infrastructure differs significantly. VPS runs on a single physical server; Cloud distributes across multiple servers simultaneously — making Cloud more stable and scalable, but costlier and more complex.
Infrastructure
VPS uses a Hypervisor to split one physical server into multiple VMs — if that server fails, all VPS instances on it go down. Cloud uses a cluster of servers with distributed data; if one server fails, automatic failover ensures continuity.
VPS: Scale Cloud VPS
VPS scaling requires temporary downtime to add CPU/RAM (or migration to a larger VPS). Cloud scales instantly without downtime and supports automatic scaling based on real-time traffic — a major advantage.
Uptime
Cloud SLA typically guarantees 99.95-99.99% due to distributed infrastructure. VPS SLA is usually 99.9%. The difference matters: 99.9% = 8.7 hours downtime/year; 99.99% = 53 minutes/year.
Cloud vs VPS Pricing
VPS has simple, predictable fixed pricing (e.g., 500 THB/month for specified specs). Cloud pricing is complex — typically billed hourly plus separate bandwidth and storage charges. Unexpected traffic spikes can cause Cloud costs to surge.
VPS: VPS vs Cloud
VPS management is simpler with straightforward control panels. Cloud dashboards are more complex, requiring understanding of concepts like VPC, Security Groups, Load Balancers, and Auto Scaling. Beginners typically find VPS more approachable.
Overview
VPS suits: medium-to-large WordPress sites, small-to-medium API servers, development environments, cost-predictable scenarios. Cloud suits: e-commerce with variable traffic, SaaS applications, high availability systems, and big data processing.
Choosing: VPS Cloud
For steady traffic with predictable costs, VPS is more cost-effective. For high availability needs or frequent traffic spikes, Cloud is better. Beginners find VPS easier and cheaper; migrate to Cloud as the business scales.
VPS: Migration VPS Cloud
Migration from VPS to Cloud can be done by backing up all VPS content (files + database), restoring on a Cloud Instance, and switching DNS. For zero-downtime migration, use Load Balancer and Blue-Green Deployment.