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Colocation is when you rent physical space (rack/cage) in a third-party data center to house your own servers and hardware, but you handle procurement, OS, and maintenance yourself while the provider gives power, cooling, and connectivity. Cloud, by contrast, is fully virtualized on-demand infrastructure owned and managed by the provider (AWS, Azure, GCP), billed by usage rather than hardware ownership.
In short: colocation = your gear, their building; cloud = their gear, their building, you just consume it as a service.
Organizations in today’s avant-garde IT world have many competitive options around offloading the loads associated with IT infrastructure management and space. Colocation and Cloud-based hosting are 2 such scenarios service providers advocate organizations to adopt. In this blog we will discuss colocation vs cloud in detail.
What is Colocation?
Colocation term refers to when a customer takes rent basic facilities from the provider but keepings its own server equipment.
The facility, power, cooling, communications and data center floor space with is provided by Service provider which may be shared with other customers, or delivered through high-density colocation for organizations with intensive power and cooling needs.
The customer needs to have its own server, storage and network devices and needs to manage/maintain on its own. The Colocation service provider will also provide physical security of the customer devices installed.
Related- Data Center vs Cloud
What is Cloud?
Cloud Service providers stretch a step beyond just providing space and facilities. Not only provides hardware infrastructure (Servers, storage, backup, network and security elements) but also maintains them providing the customers with a full package of services.
Related- Cloud Computing
The customer is offloaded from day 2 day administrative and operational work of maintaining and troubleshooting the applications on Cloud.
In some scenarios, Colocation is preferred approach like when security compliance requirements are stringent (PCI- DSS etc.). Additionally, colocation allows the customer to decide upon the server machines hardware and software choose from and maybe select best in breed hardware/software from multiple vendors.
This freedom to install any software and application may be limited in the case of Cloud-based service providers.
Some of the major benefits from Cloud-hosted solutions include very fast provisioning, scalability, lower TCO than Colocation.
Related- Top 10 Cloud Migration Tool
Colocation vs Cloud: Comparison Table
Below tables compares Colocation based setups and Cloud-based hosted solutions –
| Parameter | Colocation | Cloud |
|---|---|---|
| Terminology | Service provider responsible for space, power, 24/7 physical security staff and some basic support on request but customer responsible for the upkeep of own equipment. | Cloud service provider (CSP) supplies and manages the customer’s full hardware infrastructure, including servers, storage, backups and network/security devices. Infact applications and services can also be provided by Cloud provider. |
| Hardware and Software | Customer owned | Provider owned |
| Control & flexibility | Customer has full control over Servers and compute with flexibility to install any software and application; | Customer has limited control and dependent on Cloud provider |
| Cost | High | Lower than Colocation |
| Provisioning Time | Requires long time to setup and provision. Usually weeks to months | Very less time provisioning time. |
| Business Model | CAPEX and OPEX borne by customer. Provider is given RENT for space and power. | Pay as you grow. Rent based model |
| Hardware and Software resources | Dedicated | Shared |
| Management | Higher load on Customer IT staff compared to Cloud Service provider | Low Load on Customer IT staff since offloaded from responsibility of management and day 2 day operational activities. |
| In-house skill requirement | High skill since application management and upgrade/change performed by customer | Low skill since application management and upgrade/downgrade managed by cloud provider. |
| Security Compliance | Strictly followed and flexible to customer requirement | Limited scope since shared services across multiple customers |
| Availability Agreement | Limited to Power and basic infrastructure services | Based on Cloud provider type i.e. IAAS, PAAS or SAAS, provider can have agreement upto application and service availability. |
Download the comparison table: colocation vs cloud
Which one to choose?
Choose Colocation
When you need predictable costs at scale, full hardware control, compliance/data-residency requirements, or have existing capital assets to leverage.
Choose Cloud
For elasticity, faster time-to-market, minimal upfront capex, variable/unpredictable workloads, and reduced ops overhead.
Rule of thumb:
- Steady-state, high-utilization workloads → Colocation (better long-term TCO)
- Bursty, growing, or uncertain workloads → Cloud (agility wins)
- Many enterprises land on hybrid: core/legacy in colo, dynamic/dev-test in cloud.
Decision hinges on workload predictability, compliance needs, and 3-5 year cost projection, not just sticker price.
ABOUT THE AUTHOR
You can learn more about her on her linkedin profile – Rashmi Bhardwaj
