Cloud Hosting

Cloud hosting provides compute, storage, and networking from a pool of provider-managed servers. You are not tied to one physical machine. Resources can be added, removed, or moved, and services such as load balancers and managed databases are available as separate components.

How it differs from a VPS

A VPS is usually one virtual machine with fixed resources. Cloud hosting is broader. Instances can be created from images, disks can be attached and detached, and multiple instances can sit behind a load balancer.

But cloud is not automatically highly available. If you run one instance without replication, an instance failure still takes the service down.

Common components

A small architecture might use a load balancer with a health check, two application instances, a managed database, object storage for media, and a CDN. With two instances behind health checks, one can restart without taking the service down.

On AWS, the components could be an ALB, two t4g.small instances, RDS db.t4g.micro, S3, and CloudFront. Check aws cloudwatch get-metric-statistics for CPU and aws s3 sync for backups. Set a budget alert at, say, 80 percent of $100 per month, and tag resources by project.

Costs to watch

Cloud bills compute by the hour or minute, storage by the GB, and often egress, which is data leaving the network. Egress can become the largest line item when serving video or large files. Old snapshots, idle public IPs, and unused load balancers are also billed.

Use budget alerts, tag resources, and stop test instances. For stable workloads, cloud can be more expensive than a VPS. For spiky workloads, elasticity can save money.

Common mistakes

Assuming cloud is always faster is an expensive assumption. Latency depends on region, network, and architecture. Two instances without correct health checks can still send traffic to a dead server.

Storing backups in the same region is risky when the region fails. Vendor lock-in also matters when using highly specific managed services. Without a spending cap, a traffic spike or misconfiguration can produce a large bill.

Cloud hosting often uses a load balancer, object storage, and anycast. Compare it with shared vs VPS vs dedicated before choosing.

FAQ