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How B2B multicloud platforms simplify multi-cloud deployment

cloud application platforminfrastructureplatform engineering
26 September 2025
Anita Okem-Achu
Anita Okem-Achu
Technical Writer
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When a cloud provider experiences a cloud outage, businesses that depend solely on this platform face a critical choice: wait and hope for recovery, or implement a strategy that prevents single points of failure. High-profile cloud disruptions have prompted B2B organizations to reconsider their infrastructure resilience, leading many to adopt multicloud strategies that distribute risk across multiple providers.

The days of putting all your digital eggs in one cloud basket are fast coming to an end. In the past, choosing a cloud provider was a gamble for B2B software teams, and most often, when the choice is made, it is hard to change.  Today's B2B companies can no longer rely on a single cloud provider to meet their business needs as customers expect uninterrupted service, and a single-vendor failure can cripple the entire organization's operation. 

This is why multicloud platforms have become essential infrastructure for business operations. Multicloud platforms enable enterprises to deploy across AWS, Azure, Google Cloud, OVHcloud, or edge providers based on specific business needs, such as performance, uptime, and compliance, without multiplying operational complexity.

This article breaks down what “multicloud for B2B” actually means, the hidden costs to watch, what a true multicloud platform should provide, and how Upsun's multicloud platform removes the heavy lifting, so your team ships reliably across multiple clouds without incurring extra operational costs.

Comparing cloud strategies: single, hybrid, and multicloud

Single cloud

When businesses first move to the cloud, most begin with a single cloud strategy. This approach keeps everything under one roof, either AWS, Azure, IBM, or Google Cloud. Single cloud deployment is well-suited for organizations with straightforward requirements, limited geographic reach, or those just starting their digital transformation. Startups and smaller companies often benefit from this approach during their initial growth phases.

Challenges of a single cloud provider

What happens when a cloud provider suffers an outage, and businesses depend solely on this platform?

The appeal of a single cloud is obvious: one provider to deal with, one bill to pay, and one ecosystem to manage. For smaller teams or companies just starting their cloud journey, this simplicity feels like a relief. But over time, cracks begin to show. While a single-cloud setup may seem simpler at first, relying on a single provider comes with its limitations and risks that can ultimately impact business operations.  

Vendor lock-in 

When all workloads and data are tied to one platform's tools and services, moving to another provider becomes difficult and costly. This lock-in restricts your freedom to innovate and gives that provider significant control over your costs. Price changes, storage fees, or network costs can rise unexpectedly, making it harder to forecast budgets or maintain predictable expenses. Without viable alternatives, you have limited leverage to negotiate or switch providers.

Cloud outages and downtime

Even the most reliable cloud providers experience disruptions. A regional outage or service failure can cause critical downtime for your business that can last hours, costing businesses significant revenue and damaging customer trust. Without alternative infrastructure, your disaster recovery options remain limited to the same provider's backup regions.

Limited flexibility and performance

A single provider may not offer the best global coverage or data-center locations for all your customers. This can lead to slower performance in certain regions and limit your ability to optimise workloads for different environments or compliance requirements.

Compliance and data residency limits
Different countries have unique rules about where data must be stored or processed. Depending on a single provider may mean that their data center locations don’t meet your regulatory or customer requirements, thereby putting compliance at risk.

Limited innovation options

Cloud providers innovate at different speeds. Depending on a single vendor may prevent you from utilizing newer tools, frameworks, or AI services available elsewhere, thereby slowing product development and competitiveness.

These complexities make the transition from single-cloud to hybrid or multicloud a strategic necessity for most organizations.

Hybrid cloud

The limitations of a single cloud led many businesses to a hybrid cloud. Hybrid models allow companies to blend public cloud services with private infrastructure, either on-premises or in a dedicated data center. For companies with legacy systems that can’t fully migrate, hybrid feels like a pragmatic compromise. It lets them modernize while still maintaining control over sensitive workloads. In heavily regulated industries like finance or healthcare, this control can be non-negotiable. 

But hybrid cloud comes with its own challenges. Managing hybrid environments requires teams to master two distinct operational models: cloud-native tools and traditional on-premises infrastructure which often creates silos and divided expertise. This eventually makes scaling across geographies far more complicated than it should be.

That brings us to multicloud, the model that has become the end state for many B2B deployments. 

What is a multicloud platform?

A multicloud platform is a cloud-based platform that enables businesses to run applications and workloads across two or more cloud providers while maintaining a unified management experience. Through multicloud platforms, companies can deploy, manage, and scale applications across different cloud providers without rewriting their code or reconfiguring their architecture for each one.

Rather than being locked into a single vendor, businesses can choose the right provider for the right job: AWS, Azure, IBM, Google Cloud, or other cloud providers. 

The advantages are clear. Companies gain vendor independence, resilience against outages, and the ability to deploy closer to clients around the world. For B2B organizations, this translates into faster performance, stronger compliance guarantees, and more leverage when negotiating costs. The drawback, of course, is complexity. Managing multiple providers often means juggling different dashboards, inconsistent environments, and duplicate processes. Without the right platform, multicloud can overwhelm the very teams it was meant to empower.

Now that we have defined single-cloud, hybrid, and multicloud, let’s simplify the decision. The table below compares each option's strengths, weaknesses, and when to choose it.

 

StrategyWhat it isStrengths Trade-offGood fit when…
Single cloudRun everything on one public cloud.Simple tooling, one bill, one skill set, fast to start.
  • Vendor risk.
  • Region limits.
  • Harder to meet strict data residency.
You’re an early-stage company, moving fast, or your compliance needs are minimal.
Hybrid cloudMix public cloud with private cloud/on-prem.
  • Keep sensitive data on private systems.
  • Modernize the public-facing components.
  • More networking, identity.
  • Complex change management
  • Split tooling.
You have regulated data or mainframe/legacy systems you can’t move yet.
Multicloud Use two or more public clouds for the same portfolio (sometimes a single app).
  • Data residency choice, lower vendor risk.
  • Better latency per region.
  • Operational complexity if done DIY. 
  • Risk of fragmented tooling.
Customers or contracts demand specific providers/regions, or you need resiliency across vendors.

Essential features of B2B multicloud platforms

B2B multicloud platforms must deliver specific technical capabilities that distinguish true multicloud platforms from basic multi-provider compatibility tools.

  • Full-stack preview environments: Ability to create identical development, staging, and production environments across different cloud providers, including databases, networking, storage, and supporting services, with consistent behavior and performance characteristics.
  • Business continuity: Multicloud deployments ensure operations continue even during provider-specific incidents. High availability strategies must consider and control for transient failures, including brief network outages, equipment restarts, and service timeouts. Upsun enables true business continuity across multiple clouds by allowing identical deployments on AWS, Azure, Google Cloud, and OVHcloud without requiring code changes.
  • Cross-cloud data management: Robust data consistency and synchronization capabilities across providers, supporting real-time sync, eventual consistency, or manual processes based on application requirements and business needs.
  • Unified networking and security: Automated cross-cloud networking setup, security group management, and access control implementation that maintains consistent security postures across all cloud providers.
  • Consolidated monitoring and observability: Unified visibility into application performance, security events, and infrastructure health regardless of deployment location, eliminating the complexity of managing separate monitoring tools for each cloud provider.
  • Compliance and data sovereignty: Looking for integrated WAF, anti-DDoS, isolation (read-only file systems, project isolation), automated backups, and strong SLAs with 24/7 support. B2B clients often demand that their data remain within specific geographies. A single provider may not offer the right regions or may not guarantee residency. Multicloud solves this by letting businesses deploy exactly where needed.
  • Reliability and uptime: Downtime on one provider shouldn’t bring down your entire operation. With multicloud, workloads can be distributed so that if one region or provider experiences issues, others continue to run services.

Challenges of multicloud platforms

While the benefits are undeniable, many companies underestimate the complexity of a multicloud. Each provider has its own ecosystem, its own console, and its own quirks. Running two or more clouds often introduces duplicate pipelines, “snowflake” environments, and scattered logs. Development environments start to drift apart, so what works in one region doesn’t behave the same in another. The ops team, on the other hand, juggles upgrades, observability, and security controls across vendors. The result is slower releases and more risk.

Also, costs become difficult to predict without unified visibility. For B2B businesses, where client trust and compliance are on the line, these challenges can’t be ignored. Multicloud without the right platform can quickly create more risk than it resolves.

Upsun multicloud platform 

Upsun was built for this exact challenge. Upsun provides cloud provider abstraction designed for B2B organizations requiring flexible deployment options across AWS, Microsoft Azure, IBM, Google Cloud Platform, and OVHcloud infrastructure, without the operational complexity of managing multiple cloud platforms directly. You pick the provider and region, your code and config do not change.

Single interface for multiple cloud providers

Upsun provides full abstraction from underlying cloud providers, running identically across all supported cloud providers. Organizations can deploy applications using unified YAML configuration files that work consistently whether targeting AWS, Azure, Google Cloud, or OVHcloud regions. Users can choose regions based on criteria such as closeness to users and environmental impact, while maintaining identical development tools, web interfaces, and Git-based workflows.

This abstraction eliminates the typical complexity associated with multi-provider strategies. Development teams avoid learning provider-specific tools, such as AWS CloudFormation, Azure Resource Manager, or Google Cloud Deployment Manager, instead working through Upsun's unified interface, which allows the platform to manage provider-specific implementations.

Environment cloning and preview capabilities

Upsun can instantly spin up production-perfect clones: live data, config, and code, on any branch, enabling teams to test applications with real data rather than mocks or stale information. This functionality allows teams to validate application behavior and ensure consistent performance characteristics across different underlying cloud providers.

Upsun's abstraction layer enables teams to get the benefits of multicloud testing without the complexity of managing separate environments on each platform.

Integrated observability and performance monitoring

Upsun includes built-in observability tools with infrastructure metrics, APM, profiling, and tracing. These monitoring capabilities function consistently whether applications run on Azure's European regions, AWS's North American infrastructure, or Google Cloud's Asia-Pacific locations.

The platform's observability suite provides unified visibility into application performance and infrastructure health regardless of the underlying cloud provider, eliminating the complexity of managing separate monitoring tools for each cloud platform.

Transparent pricing across providers

Upsun provides transparent, consumption-based pricing with environmental impact considerations, offering discounts for deploying to lower-carbon regions across Azure, AWS, IBM, Google Cloud, and OVHcloud. This approach enables organizations to make informed deployment decisions based on both cost and environmental factors without managing separate billing relationships with each cloud provider.

Security and compliance standardization

Upsun includes managed security features like Web Application Firewall, DDoS protection, and automated security patching that work consistently across all supported cloud providers. The platform handles provider-specific security configurations while maintaining standardized security postures regardless of deployment location.

Upsun offers deployment options across regions in France, Sweden, Switzerland, Canada, and the US through four cloud providers, supporting compliance with various data sovereignty requirements.

Use cases

To see the difference multicloud can make, let’s look at a practical example. Imagine a digital agency that manages infrastructure for several enterprise clients. Each client has different requirements, and each requirement reflects a real-world challenge B2B organizations face.

Client A:  continuity during a cloud outage

A financial services company relies on web apps that must stay available around the clock. In the past, a single cloud provider’s regional downtime caused hours of service disruption. With Upsun, they now deploy the same application on two independent cloud providers in different regions. Using Upsun’s unified Git-driven workflow and provider-choice model, the application can remain operational even if one cloud provider experiences a failure. The agency ties in its CDN/DNS layer for automated traffic routing to the healthy region. 

Result: No single point of infrastructure failure, and customer trust remains intact.

Client B: eliminate single point of failure for SaaS operations

A SaaS company serving 500 enterprise clients across healthcare sectors had all infrastructure on a single cloud provider. A 6-hour outage affected 450 of their clients simultaneously, triggering SLA violations, penalty clauses, and three major contract cancellations. Their board mandated the elimination of single-provider dependency.

With Upsun, the company sets up separate deployments on three cloud providers (region- and provider-agnostic) using the same project repository and YAML configuration. While Upsun handles deployment abstractions and unified observability, the agency implements external traffic routing and cross-region backups. 

Result: Architected multi-provider redundancy, reducing dependency on any single cloud vendor.

Client C:  compliance-first deployment in Europe

Choose OVHcloud France (fr-3), Azure France (fr-4), or AWS Ireland (eu/eu-2) at project creation to ensure EU data residency. Upsun stores persistent data on a region-wide storage layer, and preview environments can clone parent data with sanitization, so teams can test safely without risking data leaving the EU. Provide auditors with the project’s region details from the Upsun Console.

The agency’s perspective
Now consider what these scenarios mean from an operational standpoint. Each client's unique requirements traditionally force agencies into fragmented, complex operations.

In a traditional setup, these three clients would require the agency to manage multiple accounts, dashboards, and infrastructure scripts, each with its own unique quirks and maintenance needs. That means more staff, more time, and more cost.

With Upsun, however, all three scenarios (compliance-focused hosting, global performance scaling, and mission-critical redundancy) are managed through a single, unified platform. Each deployment follows the same Git-driven workflow, each environment is reproducible, and each client's requirements are met without adding DevOps complexity.

For the agency, this isn't just a time-saver; it's a competitive advantage. They can confidently take on enterprise clients with sophisticated needs, knowing Upsun provides the automation, consistency, and visibility to deliver multicloud at scale.

Taking action: your multicloud checklist

Organizations can prevent cloud outages from affecting operations by implementing proactive multi-cloud strategies. Distributing applications across multiple clouds ensures high availability, keeping critical operations functional even during a provider outage. 

Early adopters gain competitive advantages in global market expansion, regulatory compliance management, and operational resilience while competitors struggle with vendor lock-in constraints and single-provider limitations.

For B2B companies focused on sustainable growth, operational resilience, and competitive positioning, multicloud platforms have evolved from strategic options to essential infrastructure requirements. The critical decision involves selecting platforms that deliver genuine business value, rather than focusing on technical complexity.

Multicloud isn’t about chasing every provider; it’s about giving your B2B team choice (regions, providers), resilience (no single-vendor risk), and control (performance, cost, compliance) without multiplying operational work. A platform approach is what makes that practical. Upsun makes multicloud practical with a single, Git-driven workflow and a portable YAML configuration. Each branch receives a production-like preview, allowing teams to validate changes before merging.

You select the provider and region for each project, maintaining the same pipelines, automation, and observability across all locations. Book a demo to see Upsun multicloud in action with production-like branch previews. 

 

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