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Cloud vs VPS

Cloud vs VPS

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.

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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.

Frequently Asked Questions (FAQ)

Is a VPS at $5/month different from Cloud at $5/month?
Yes. Cloud at $5/month (for example a DigitalOcean Droplet) is actually a real VPS that sits on Cloud Infrastructure, but priced as a Fixed amount. Most Cloud providers at the Entry level operate like a VPS on the Cloud, but do not Auto-scale or run Multi-datacenter.
Who is Managed Cloud Hosting on AWS suitable for?
It is suitable for Tech teams with AWS experience, or companies that need an Enterprise SLA of 99.99%. AWS can genuinely support Multi-AZ, but is complex to set up and much more expensive than a typical VPS. For most SMEs, a VPS is more cost-effective.
Is DigitalOcean a Cloud or a VPS?
DigitalOcean is a Cloud Provider that offers a VPS under the name "Droplet", which runs on Cloud Infrastructure but uses Fixed Pricing like a typical VPS, making it easy to get started. It has both Single Datacenter and Multi-region options.
Does Auto-scaling always require Cloud?
Not necessarily. Some Hosting Providers offer an Auto-scaling service for a VPS as well, but Cloud-native Auto-scaling works better and faster, because Cloud Infrastructure is designed to support this Feature.