Choosing Between Cloud, On-Premises, and Cloud‑Near Storage: Which Wins?

Discusses the pros and cons of cloud and on‑premises storage, and introduces a third optimal solution: cloud‑near storage.

A data platform is the way a company stores, manages, and analyzes its data, which is its most valuable asset. The stronger and more efficient the platform, the more effectively data can be utilized.

A data platform transforms data streams from various sources—business applications, IoT platforms, AI tools—into actionable plans that drive business outcomes.

Ensuring a correct data platform architecture is crucial, especially having the best infrastructure—a combination of efficient storage, networking, and compute resources—to avoid cost and complexity overruns.

Modern data platforms handle massive data volumes and complex analytics, requiring specialized infrastructure for scalable performance and reliability. While all infrastructure aspects matter, for data platforms storage‑related compute, networking, and reliability issues are often secondary to storage itself.

Now we examine cloud storage, on‑premises storage, and the hybrid cloud‑near storage approach.

In summary, cloud storage offers scalability and easy access to cloud tools; on‑premises storage gives full control over data; cloud‑near storage retains local control while still enabling use of cloud tools.

Advantages of Cloud Storage

Eliminates the need to purchase and maintain physical storage hardware : No upfront hardware costs, pay‑as‑you‑go model reduces capital expenditure, and the provider manages the infrastructure, removing operational maintenance costs.

Supports integrated ingestion and analytics : Many cloud providers integrate directly with data platforms, allowing data to be ingested, analyzed, transformed, and output in one place, reducing costly and time‑consuming data movement.

Provides seamless scalability, reliability, and high availability : Resources can be scaled on demand, and elastic, highly available architectures can be built easily.

Offers automated security and compliance protection : Built‑in security options help protect data and prevent unauthorized access, and providers can offer services to meet compliance requirements.

Disadvantages of Cloud Storage

Lower resource control : Storing data in the cloud limits control over the underlying infrastructure and its internal management, which can be restrictive for large, complex datasets with specific performance needs.

Limited precise configuration of compute, network, and storage combos : Infrastructure options are constrained by what the cloud provider offers, potentially leading to over‑provisioning of resources.

Higher security and privacy risks : Public cloud environments are shared, increasing the risk of lateral attacks and exposing networks to the internet; securing them may require complex configurations.

Potentially higher long‑term costs : Although initial costs are low, ongoing usage fees can accumulate, especially with dedicated data warehouse services (e.g., Amazon Redshift pricing ranges from $1.08 to $13.04 per hour; Snowflake’s credit model can exceed $1,024 per hour for large plans).

Advantages of On‑Premises Storage

On‑premises infrastructure means the organization owns and operates its resources, purchasing and configuring servers and storage devices within its own data center. While setup and maintenance are more complex, it provides full control.

Additional benefits include:

Infrastructure as an asset : Although upfront costs are high, owning servers and storage can significantly reduce long‑term expenses if storage needs are predictable.

Complete control over hardware and data : Full control over servers, file systems, and operating systems allows custom compute, network, and storage configurations.

Zero resource contention : Running everything on dedicated hardware eliminates the “noisy neighbor” problem and avoids cloud service interruptions.

Option for isolated data storage : Highly sensitive data can remain private and isolated, reducing security risks associated with internet exposure.

Disadvantages of On‑Premises Storage

Building and operating storage infrastructure for large data platforms is challenging:

High upfront costs : Purchasing or leasing data center space and filling it with compute, network, and storage equipment requires substantial investment, plus ongoing upgrades.

Requires specialized expertise : Skilled engineers are needed to build, operate, and maintain the platform, and such talent is scarce.

Scaling is difficult : Adding storage drives, compute, or network capacity involves complex hardware installations and potential downtime.

Integration with analytics services is harder : Fewer tools and services are available on‑premises compared to the cloud, and many AI/ML engines are designed for cloud use.

Cloud‑Near Storage: The Best Compromise

The cloud‑near storage model combines the benefits of cloud and on‑premises models while eliminating most drawbacks.

“Cloud‑near” means keeping private storage infrastructure but connecting to public cloud platforms via a private link located within the same data‑center campus.

Organizations can partner with data‑center operators that provide cloud entry points, or use dedicated solutions such as Equinix’s fully managed, single‑tenant compute and storage offering.

Key advantages include:

Configuration control : Full control over servers, software, and network that support the data platform.

Direct cloud‑to‑cloud networking : Private connections enable low‑latency, high‑throughput data transfers, reducing latency for intensive operations like ingestion and backup.

Cost reduction : By avoiding large data egress from cloud regions, storage and data‑exit costs can be lowered.

Access to detailed cloud analytics : Enables use of comprehensive cloud‑based data analysis, processing, and transformation tools over privately stored data via fast, reliable private links.

A robust data platform needs scalable storage infrastructure that meets current and future data demands.

Both cloud and on‑premises solutions fit different use cases, but organizations need not choose exclusively between them. Many adopt a hybrid approach using dedicated cloud and cloud‑near storage for flexibility, cost‑effectiveness, security, private networking, and cross‑cloud analytics while delivering reliable performance and configuration control.