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Comparison
BackupLocal backup vs cloud backup
The right answer is almost never 'just one of the two'
Local backup and cloud backup aren't, in practice, mutually exclusive options — they're the two halves of a complete backup strategy. Framing them as a binary choice is generally a design mistake DITAP Cloud avoids from the first project.
This comparison shows why, and in what proportion each should be used depending on the site and the system being protected.
Criterion-by-criterion comparison
| Criterion | Local backup | Cloud backup |
|---|---|---|
| Recovery speed (RTO) | Very fast — local restore without depending on internet bandwidth | Slower, limited by available download speed |
| Protection against physical site disaster | None — a fire, theft, or flood destroys the backup along with the original | Total — data is geographically separated from the site |
| Recurring cost | Low after the initial investment in backup hardware | Recurring, based on the volume of stored data |
| Bandwidth required | None for daily backup/restore | High, especially for the first full backup or a large restore |
| Long-term retention | Limited by available physical capacity | Practically unlimited, with cost tied to volume |
| Data-residency compliance | Full control — data never leaves the site | Depends on the chosen cloud provider's region |
| Single-point-of-failure risk | High if it's the only copy | High if it's the only copy — the problem is the same either way |
| Ease of testing a restore | High — a full restore can be simulated with no bandwidth limit | Requires planning around the time and cost of downloading the full volume |
What we recommend depending on your case
What we recommend depending on your case:
- Any system the client considers critical to operations. The 3-2-1 strategy: at least 3 copies, on 2 different media, with 1 copy off-site (cloud). Don't pick just one model.
- A site with limited or unreliable internet connectivity. Prioritize local backup for fast recovery, with cloud replication during low-bandwidth-usage windows.
- A system with strict data-residency requirements in a specific jurisdiction. Local backup or cloud within that jurisdiction — never outside it without assessing the applicable legal framework.
- Need for protection against a disaster affecting the whole physical site (fire, flood, theft). Cloud backup is mandatory — local backup alone doesn't protect against this.
- A company just now formalizing its backup strategy, with nothing in place today. Start with automated cloud backup — fast to deploy — and add local backup as data volume grows.
At DITAP Cloud we don't sell 'local backup' or 'cloud backup' as separate products — we design the complete backup strategy, with RPO/RTO targets defined together with the client, with both models as part of the same solution.
This comparison is technical and unbiased: we receive no commission or commercial arrangement from any of the vendors or approaches mentioned. The recommendations reflect what we see working on real projects.
Need to decide this for your company?
Every site is different — let's talk about yours before deciding based on a generic comparison.
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