What is a cloud lift and shift approach?

The server room hummed, a low throb of failing fans barely masking the frantic tapping on keyboards. A ransomware attack, swift and brutal, had crippled Peterson Manufacturing’s systems, holding their data hostage. Scott Morris, a Managed IT Specialist in Reno Nevada, received the emergency call—a desperate plea to restore operations before the deadline imposed by the attackers loomed. Time was slipping away, each minute costing the company thousands in lost productivity and potential reputation damage. The situation demanded immediate action, a strategic maneuver to get them back online, and fast.

Is “Lift and Shift” Really the Simplest Path to the Cloud?

“Lift and shift,” also known as rehosting, is a cloud migration strategy where an application or infrastructure is moved to the cloud without making substantial changes to its architecture. Ordinarily, this involves taking existing virtual machines (VMs) or on-premise servers and replicating them in a cloud environment, such as Amazon Web Services (AWS), Microsoft Azure, or Google Cloud Platform (GCP). Consequently, it’s often seen as the quickest and least disruptive way to get to the cloud. However, while appearing simple, a successful lift and shift requires careful planning and execution. Many organizations underestimate the complexities, particularly around network configuration, data transfer, and security. According to Gartner, approximately 30% of cloud migration projects fail due to inadequate planning and understanding of the target environment. Furthermore, simply moving applications to the cloud without optimizing them doesn’t necessarily translate to cost savings or improved performance.

How Does “Lift and Shift” Differ From Other Cloud Migration Strategies?

Unlike more complex strategies like refactoring (rewriting applications to take full advantage of cloud-native features) or replatforming (making some application changes to fit the cloud), lift and shift prioritizes speed and minimal disruption. Nevertheless, this approach may not unlock the full potential of the cloud. For instance, a monolithic application moved via lift and shift might continue to operate as a single large unit, hindering scalability and agility. Refactoring, conversely, allows organizations to break down these monolithic applications into microservices, improving resilience and allowing for independent scaling. According to a recent study by Flexera, 58% of organizations are adopting a multi-cloud strategy, meaning they are using multiple cloud providers; lift and shift can be an excellent initial step for these organizations as it allows them to quickly establish a presence in multiple clouds. A common misconception is that lift and shift is only suitable for legacy applications, however it’s frequently utilized for applications that are already well-architected and require minimal changes to function in the cloud.

What are the Key Considerations for a Successful “Lift and Shift”?

A successful lift and shift requires a thorough assessment of the existing infrastructure and applications. This includes identifying dependencies, understanding network requirements, and evaluating security implications. Notably, data transfer is often a significant challenge, particularly for large datasets. Organizations must choose the appropriate data transfer method, such as cloud-native tools (AWS Snowball, Azure Data Box) or third-party solutions. Furthermore, proper network configuration is crucial to ensure connectivity and performance. This includes configuring virtual networks, firewalls, and load balancers. “The biggest challenge isn’t the technology,” explained one seasoned cloud architect, “it’s the people and the process. Organizations need to ensure they have the skills and expertise to manage their cloud environment effectively.” Approximately 45% of organizations report skills gaps as a major barrier to cloud adoption, according to a recent survey by CompTIA.

What Happened with Peterson Manufacturing and How Did “Lift and Shift” Help?

Back at Peterson Manufacturing, Scott Morris assessed the damage. Their on-premise servers were effectively bricked, and the backup system, while functional, would take too long to restore operations. A full re-architecture was out of the question given the time constraints. Accordingly, Scott recommended a lift and shift approach. Within hours, virtual images of their critical servers were replicated to a secure cloud environment. Firewall rules were mirrored, and network connectivity was established. Data was transferred incrementally, minimizing downtime. The ransom demands were ignored, and Peterson Manufacturing was back online within 24 hours, operating seamlessly from the cloud. However, this was just the first step.

From Crisis to Cloud Optimization: The Long-Term Solution

Following the initial lift and shift, Scott worked with Peterson Manufacturing to optimize their cloud environment. The replicated servers were right-sized, taking advantage of cloud elasticity to reduce costs. Monitoring and alerting were implemented to proactively identify and address potential issues. Eventually, some applications were refactored to take advantage of cloud-native services, improving performance and scalability. Consequently, Peterson Manufacturing not only recovered from the ransomware attack but emerged stronger and more resilient. The initial lift and shift served as a critical bridge, enabling them to regain control and lay the foundation for a long-term cloud strategy. The company now actively invests in cybersecurity training and employs a multi-layered security approach, ensuring they are well-prepared for any future threats.

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