Most organizations have backup systems and a disaster recovery plan on paper. Fewer have confidence those systems would actually work during a real outage, ransomware event, or facility loss. Disaster Recovery as a Service shifts that resilience to a provider, but sourcing it well requires knowing what you're actually buying.
What DRaaS Actually Covers
DRaaS replicates critical systems and data to a provider's infrastructure, ready to fail over to if the primary environment goes down. That's different from backup, which preserves data for recovery but doesn't necessarily provide a ready-to-run environment to recover into. A DRaaS contract typically specifies recovery time objective (how fast systems come back) and recovery point objective (how much data loss is acceptable), and those two numbers should drive the entire evaluation, not the provider's marketing material.
What Actually Differentiates DRaaS Providers
Providers differ meaningfully on failover testing (can you actually test a failover without disrupting production, and how often), geographic diversity (how far is the recovery site from the primary, and does that distance create its own risk), and support during an actual event (is there a dedicated response team, or does a disaster recovery event wait in a general support queue). Price comparisons that ignore these differences tend to produce a contract that looks affordable until the first real test, or the first real event, exposes the gap.
Where Resilience Plans Usually Have Gaps Nobody's Found Yet
Untested failover is the most common gap: a DR plan that has never actually been tested under real conditions is a plan nobody can honestly vouch for. A close second is scope creep, where the environment has grown since the DR plan was last updated, and new systems were never added to the recovery scope. A third is cost creep in the other direction, paying for DR coverage on systems that no longer matter as much as they did when the contract was signed.
RTO and RPO: Setting the Right Targets
Recovery time objective and recovery point objective should be set by what the business can actually tolerate, not by what a provider's standard package happens to offer. A system where even an hour of downtime creates real financial or regulatory exposure needs a materially tighter RTO than a system that's merely inconvenient to lose for a day. The common mistake is applying one uniform target across the entire environment, which either overpays for recovery speed nobody needs on lower-priority systems or underprotects the systems that actually warrant the tightest targets.
Testing Failover Without Disrupting Production
A failover plan that's never been tested under realistic conditions is an assumption, not a verified capability. The providers worth choosing support isolated failover testing, running the recovery environment without actually cutting production traffic over to it, so the plan can be validated on a regular cadence without the operational risk of a full live cutover every time. Providers who can't support this kind of testing without disrupting the production environment are effectively asking the client to choose between validating the plan and running the business normally, which is not a choice a resilience plan should force.
What DRaaS Actually Costs, and What Drives the Price
DRaaS pricing is driven primarily by the recovery time objective committed to and the volume of data being replicated, not by the provider's brand name. A tighter RTO requires more standing infrastructure ready at all times, which costs more than a plan that accepts a longer recovery window for lower-priority systems. This is exactly why uniform RTO targets across an entire environment tend to overpay: the real cost driver is the target itself, and matching that target deliberately to actual business need, system by system, is where meaningful savings usually come from without sacrificing protection where it genuinely matters.
Negotiating a Colocation Agreement Well
Colocation contracts carry their own negotiation levers that are easy to leave on the table. Power density pricing, how much is charged per kilowatt versus per rack, varies meaningfully between providers and should be compared on actual anticipated usage, not the facility's advertised capacity. Term length trades directly against rate: a longer commitment typically secures a better rate but reduces flexibility if the company's infrastructure needs change. And renewal terms deserve the same scrutiny as the initial agreement, since colocation renewals without a competitive benchmark tend to drift toward above-market pricing in exactly the way telecom and cloud contracts do.
Frequently Asked Questions
How often should a DR plan be tested? At minimum annually, though organizations with frequently changing environments benefit from testing closer to quarterly. An untested plan is, practically speaking, an unverified assumption.
What's the difference between backup and DRaaS? Backup preserves data. DRaaS provides a ready environment to actually run that data in if the primary environment is unavailable. Many organizations have strong backup and a much weaker actual recovery capability.
Should every system have the same RTO and RPO targets? No. Targets should be set per system based on actual business impact, applying one blanket target across the environment usually means overpaying on some systems and underprotecting others.
Can DRaaS replace a traditional backup strategy entirely? Not usually. Most organizations run both: backup for data preservation and point-in-time recovery, DRaaS for rapid failover of critical systems. They solve related but distinct problems.
How does ransomware change DR planning?It adds a requirement most traditional DR plans never anticipated: recovering to a point before the infection, not just the most recent backup, which may itself be compromised. This requires immutable, air-gapped recovery points as part of the plan.
Where to Go Next
For the broader infrastructure transition this often accompanies, see Data Center Exit Strategy.For the architecture decisions behind where recovery infrastructure lives, see Hybrid Cloud Infrastructure..
For the broader infrastructure transition this often accompanies, see Data Center Exit Strategy.For the architecture decisions behind where recovery infrastructure lives, see Hybrid Cloud Infrastructure..
