Businesses rely on their IT infrastructure to keep applications running, serve customers, process transactions, and store critical information. When a server failure, cyberattack, natural disaster, or power outage occurs, an interruption can quickly become a major business problem.
Two solutions commonly used to improve infrastructure resilience are colocation and Disaster Recovery as a Service (DRaaS). While they can both play an important role in business continuity, they solve different problems.
Understanding the difference between colocation and DRaaS can help businesses choose the right solution—or determine whether they should use both.
What Is Colocation?
Colocation is a service that allows businesses to place their own servers, networking equipment, and other IT hardware inside a professionally managed data center.
Instead of keeping servers in an office or operating a private data center, a business rents space within a colocation facility. The provider typically supplies the physical infrastructure needed to operate the equipment, such as power, cooling, physical security, connectivity, and backup power.
The business generally remains responsible for its own servers, operating systems, applications, and data.
For example, a company may purchase and own its servers but place them in a colocation facility to benefit from reliable power, redundant connectivity, environmental controls, and professional physical security.
In simple terms, colocation provides a secure and reliable place to host your IT infrastructure.
What Is Disaster Recovery as a Service?
Disaster Recovery as a Service, commonly called DRaaS, is a cloud-based service designed to help businesses recover their IT systems and data following a disruption.
Instead of simply providing a physical location for servers, a DRaaS provider typically manages infrastructure, backups, replication, and recovery processes. Depending on the service, applications and data may be replicated to a separate cloud or data center environment.
If a disaster affects the primary IT environment, the business can recover critical applications and data using the DRaaS environment.
For example, if a company’s primary servers become unavailable because of a ransomware attack or major hardware failure, its applications and data can potentially be restored from the disaster recovery environment.
In simple terms, DRaaS provides a way to recover your IT environment when your primary systems are unavailable.
Colocation vs. DRaaS: The Key Difference
The biggest difference is what each service is designed to accomplish.
Colocation focuses on where your infrastructure operates. DRaaS focuses on how your infrastructure is recovered after a disaster.
A colocation facility provides the physical environment for your servers. DRaaS provides a recovery environment and processes for restoring systems and data.
Colocation does not automatically mean that your business has a complete disaster recovery strategy. If your colocated server fails, you may still need backups, redundant hardware, or another recovery environment.
Likewise, DRaaS does not necessarily replace the need for production infrastructure. It is primarily designed to provide a recovery option when the primary environment is disrupted.
Comparing Colocation and DRaaSInfrastructure Ownership
With colocation, businesses typically own and control their physical servers and networking equipment.
With DRaaS, the recovery infrastructure is generally provided and managed by the service provider.
Physical Security
Colocation facilities provide a controlled physical environment with security measures designed to protect IT equipment.
DRaaS focuses more on recovering systems and data rather than providing a physical location for your primary hardware.
Disaster Recovery
Colocation can support disaster recovery, but additional solutions are usually required. Businesses may use backups, replication, redundant equipment, or a second facility.
DRaaS is specifically designed around disaster recovery and typically includes technologies and processes for data replication and system restoration.
Scalability
Colocation allows businesses to scale their physical infrastructure by adding servers, racks, power, and connectivity based on available capacity.
DRaaS can often scale recovery resources based on the amount of data and number of workloads that need protection.
Control
Colocation generally provides greater control over physical hardware and infrastructure configurations.
DRaaS provides less direct control over the underlying recovery infrastructure but can reduce the amount of hardware businesses need to purchase and maintain.
When Should You Choose Colocation?
Colocation may be a better option if your business needs dedicated physical infrastructure but does not want to operate its own data center.
It can be particularly useful if you:
- Need dedicated servers or specialized hardware
- Are outgrowing your existing server room
- Want more reliable power and cooling
- Need better physical security
- Require redundant network connectivity
- Want greater control over your hardware
- Want to reduce the cost of operating an in-house data center
For organizations with significant physical infrastructure requirements, colocation can provide a more reliable environment without requiring them to build and maintain a dedicated facility.
When Should You Choose DRaaS?
DRaaS may be the better choice if your primary concern is recovering applications and data following an outage or disaster.
It can be particularly valuable if you:
- Need an off-site disaster recovery environment
- Want automated or managed backups and replication
- Need to reduce recovery time
- Have limited internal disaster recovery expertise
- Want to protect critical applications from infrastructure failures
- Need a scalable recovery solution
The right DRaaS solution should be evaluated based on factors such as recovery time objectives (RTO), recovery point objectives (RPO), workload requirements, security, compliance, and recovery testing.
Can You Use Colocation and DRaaS Together?
Yes. In fact, using both can create a stronger overall infrastructure strategy.
A business could operate its primary servers in a colocation facility while using DRaaS to replicate critical applications and data to a separate recovery environment.
This approach provides the benefits of professionally managed physical infrastructure while also creating a dedicated recovery strategy.
For example, a company could host its production servers in a colocation facility and replicate its most important workloads to a geographically separate disaster recovery environment. If the primary facility becomes unavailable, the business can initiate recovery using the secondary environment.
This layered approach can help reduce the risk of a single point of failure.
Which Solution Is Right for Your Business?
Colocation and DRaaS should not necessarily be viewed as competing solutions. They address different aspects of IT resilience.
Colocation provides a reliable environment for operating your physical IT infrastructure, while DRaaS provides a strategy and infrastructure for recovering critical systems after a disruption.
For businesses that need dedicated hardware and a professionally managed data center environment, colocation may be the right choice. For organizations primarily concerned with protecting applications and data and recovering quickly from outages, DRaaS may be more appropriate.
In many cases, the strongest strategy is to combine both. By placing production infrastructure in a reliable colocation facility and maintaining a separate disaster recovery environment, businesses can build a more resilient IT infrastructure designed to withstand unexpected disruptions.
