Understand IaaS, PaaS, SaaS, cloud costs, phased migration, containers, and the DevOps cycle — so business systems are faster, safer, and easier to grow.
A server in a hot corner of the room, blinking indicator lights, and one staff member who "knows a bit" — this picture is still common in many offices. When that server fails in peak season, operations stop. The cloud offers a way out, but also raises new questions: what to move, what it costs, and who manages it?
The cloud means renting computing power, storage, or applications from a provider instead of buying and maintaining them yourself. A simple analogy: rather than building your own power plant, you subscribe to electricity and pay for what you use.
| Model | You manage | Examples |
|---|---|---|
| SaaS | Only data & users | Business email, online accounting apps, online CRM |
| PaaS | Applications & data | Platforms for running web apps/APIs |
| IaaS | Operating system, applications, data | Virtual servers, object storage |
Start with the easiest: email, file storage, and backup. Once the team is comfortable, move on to core applications. Every stage needs a way back (rollback) if something goes wrong.
DevOps is a culture and set of practices that bring together development and operations. Code is tested and released automatically through a CI/CD pipeline, applications are packaged in containers so they run the same anywhere, and systems are monitored continuously. The result: updates that are more frequent, smaller, and less likely to cause disruption.
Many businesses will run hybrid: partly in the cloud, partly on-site (for example a POS that keeps working when the internet drops). Edge computing brings processing closer to devices, and cloud AI services make forecasting and automation available to rent without building your own infrastructure.
Major cloud providers have strong physical and infrastructure security, but account configuration is still your responsibility (shared responsibility). Turn on MFA, restrict access, encrypt sensitive data, and enable activity logging so security is genuinely maintained.
Count the main components: compute, storage, outbound data transfer, and extra services such as managed databases. Start small, check the bill weekly during the pilot, then right-size servers to real usage.
Yes, with several approaches: moved as-is to a virtual server (lift-and-shift), partly adapted, or rebuilt. Lift-and-shift is fastest, but cloud benefits such as scalability usually only appear once the application is adapted.
No. Its basic principles — small changes, automated testing, regular releases, and monitoring — are useful for any business with a website, app, or system integrations. Only the scale of adoption differs.
PT Bali Eka Mediatama helps with networks, cloud, security, software, data, ERP & CRM, and online, offline, airport, and broadcast advertising campaigns.
