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What is cloud migration and why is it essential?

By
Carla Hetherington
Published on
April 23, 2023
Updated on
June 24, 2026
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In today's fast-paced digital environment, businesses increasingly rely on cloud computing to manage their data and applications. Cloud migration is moving everything from individual applications to entire data centers from on-premises infrastructure to the cloud. Understanding what cloud migration is and why it is crucial for businesses can aid you in your decision to move to the cloud and ensure a smooth transition. Want to learn more? Keep on reading!

What is cloud migration?

Cloud migration is the process of moving digital resources such as applications, data, and infrastructure to a cloud computing environment.

In turn, cloud computing involves providing services such as servers, storage, databases, networking, software, analytics, and intelligence over the internet, known as the "cloud." Depending on the requirements of the business, cloud migration may be partial or complete.

Why are businesses adopting cloud migration?

In recent years, cloud migration has become a popular trend among modern companies seeking total digitalization. A key factor behind this growing trend was the COVID-19 pandemic, which evoked a sense of urgency for companies to move to the cloud, especially given the increase in remote work. Incidentally, the pandemic also caused a surge in people’s online presence. This surge was particularly prominent in the e-commerce sector, with users seeking better online experiences. These enhanced experiences are the product of high-performing e-commerce platforms that can accommodate increased demand and are, naturally, powered by the cloud.

In a broader sense, the cloud is crucial in most digital transformation initiatives. It is a smart move for companies wanting to benefit from next-level computing resources unattainable by on-premises systems. Cloud computing allows businesses to scale up or down quickly and easily, supporting larger workloads and users than on-premises software while fostering adaptation to changes in demand or growth without investing in expensive physical servers, software licenses, storage, and network equipment.

Additionally, cloud computing is more environmentally friendly than on-premises infrastructure since cloud providers use energy-efficient data centers and allow businesses to reduce their carbon footprint. With sustainability being more relevant now than ever, the positive environmental effects of moving to the cloud are not overlooked by businesses. In fact, sustainability now holds an important place in corporate agendas: according to recent IBV consumer research, 53% of surveyed organizations view environmental sustainability as one of their top priorities.

Learn how we implement sustainable practices at Alumio →

Why is cloud migration essential for modern businesses?

Each company has a unique reason to move to the cloud and different objectives. However, the main motivations behind cloud migration adoption are best summarized as follows:

  • Cost-effectiveness: Moving to the cloud is more cost-effective than managing and maintaining on-premises infrastructure.
  • Scalability and competitive edge: Cloud computing allows businesses to scale their operations up or down quickly to meet changing demands, innovate and launch new services or products more quickly, and benefit from an efficient disaster recovery solution that can minimize downtime and data loss, resulting in a significant competitive edge.
  • Flexibility: Cloud migration provides businesses with increased flexibility in accessing resources and mobility, thus enabling employees to work remotely.
  • Data security: The cloud offers top-of-the-line security measures, which, in turn, provide reinforced protection for business data and applications.
  • Sustainability: Cloud computing is, by nature, more environmentally friendly than on-premises infrastructure since it involves using energy-efficient data centers and allows businesses to reduce their carbon footprint significantly.
“Technology and service providers that fail to adapt to the pace of cloud shift face increasing risk of becoming obsolete or, at best, being relegated to low-growth markets.” -Michael Warrilow, Research Vice President at Gartner.

In conclusion

Cloud migration is not merely a passing trend; It is a long-term innovation strategy and is, therefore, here to stay. Simply put, cloud computing touches upon vital aspects of digital businesses, providing them with the flexibility and agility needed to succeed in today’s fast-paced digital landscape.

While each organization will have different business needs and varying approaches to fulfilling said needs, the backbone of any integration strategy is a cloud-based midddleware or iPaaS (integation Platform as a Service) solution that can empower growth and profitability. Alumio helps businesses with their cloud migration strategy, ensuring a seamless and successful move to the cloud! Discover how Alumio empowers businesses to grow on the cloud →

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FAQ

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What is cloud migration and why is it essential for modern businesses?

Cloud migration is the process of moving data, applications, and IT infrastructure from on-premise systems to cloud hosting (public cloud, private cloud, or hybrid cloud). It is essential for modern businesses because cloud infrastructure provides: scalability that on-premise hardware cannot match (resources scale with demand without capital investment), operational agility (new environments can be provisioned in minutes rather than procurement and setup weeks), reduced infrastructure management overhead (the cloud provider manages hardware, facilities, and network infrastructure), continuous software updates and security patching, and the API-first architecture of cloud-native SaaS applications that enables the integration ecosystem modern digital operations depend on.

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What are the different types of cloud migration strategies?

The main migration strategies (commonly called the 6 Rs) are: Rehost (lift-and-shift: moving applications to cloud infrastructure without modification), Replatform (making limited changes to optimize for cloud without rewriting the application), Refactor or Re-architect (redesigning applications to take full advantage of cloud-native capabilities), Repurchase (replacing existing applications with cloud SaaS alternatives), Retain (keeping applications on-premise when the migration benefit is insufficient), and Retire (decommissioning applications that are no longer needed). Most cloud migration programs use a combination of strategies, with the choice per application based on its strategic importance, technical condition, and the cost-benefit of each approach.

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How does cloud migration affect a business's integration architecture?

Cloud migration affects integration architecture by changing the technical interfaces available for each system: on-premise applications often use legacy protocols (file-based SFTP, SOAP web services, database-level connections) while their cloud successors use modern REST APIs. Integration flows built for on-premise systems may need to be updated or rebuilt to connect to cloud versions. Cloud migration also presents the opportunity to migrate from fragile point-to-point custom integrations to a governed cloud-native iPaaS, which is often pursued alongside the system migration to consolidate integration governance at the same time as system modernization.

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What integration challenges arise specifically in hybrid cloud environments?

Hybrid cloud integration challenges include: connecting on-premise systems (with their legacy protocols) to cloud applications (with REST APIs) without consistent data transformation and routing, network latency differences between on-premise-to-cloud connections versus cloud-to-cloud connections affecting time-sensitive data flows, security boundary management across on-premise and cloud network segments, and governance complexity when some integrations run on-premise middleware and others on cloud iPaaS. An integration platform that supports both legacy on-premise protocols and modern cloud APIs from the same governed backbone addresses the core hybrid challenge: providing consistent integration governance regardless of where connected systems are hosted.

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How does Alumio support businesses through cloud migration?

Alumio supports cloud migration by bridging on-premise and cloud systems from the same platform: SAP ECC (on-premise, BAPI-based) connects to Alumio alongside Shopify and Salesforce (cloud, REST-based), enabling data flows between on-premise legacy and cloud systems without requiring all systems to be migrated simultaneously. As systems migrate to cloud versions, the Alumio connector is updated to use the cloud system's API: a configuration change rather than an integration rebuild. For organizations using cloud migration as an opportunity to modernize their integration approach, Alumio provides the cloud-native iPaaS that replaces on-premise middleware as the integration governance layer for the migrated landscape.

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What are the most important considerations for integration when planning a cloud migration?

The most important integration considerations for cloud migration planning are: audit existing integrations before migration to understand which will be affected by each system's move to cloud, assess whether on-premise integration middleware needs to be replaced by a cloud-native iPaaS as part of the migration, test cloud system API behavior before migration (rate limits, schema changes, authentication methods may differ from on-premise), plan for a parallel-run period where both on-premise and cloud systems are integrated simultaneously during cutover, and ensure the integration platform's connection to any retained on-premise systems is secure and monitored. Organizations that plan integration as a component of cloud migration consistently experience smoother migrations than those that treat it as an afterthought.

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