Cloud Migration and Green IT: The Future of Sustainable Computing

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Cloud migration has proven its centrality to resilient, sustainable enterprise operations and future competitive advantage. In today’s digital age, businesses of all sizes are looking to harness the power of the cloud to improve their operations, reduce costs, and enhance their agility. Cloud migration is the process of moving data and applications from on-premises hardware to cloud-based services. Cloud migration is about moving from one cloud to another i.e., transferring data, applications, or other business elements to a cloud computing environment.  Cloud has become an increasingly popular way for businesses to run their operations because it allows them to reduce costs while improving efficiency and productivity through shared resources such as storage space (or “the cloud”), processing power (“cloud computing”), software applications (“cloud software”) or even entire operating systems (“virtual machines”).

Sustainable Cloud Computing

In recent years, there has been a growing concern about the environmental impact of technology and the need for sustainable computing. Sustainable computing is a method of reducing the consumption of computing resources as well as the negative consequences on the environment. It involves implementing eco-friendly practices in data centers. This approach is gaining traction across various industries as companies strive to reduce their energy consumption and carbon footprint. 

The benefits of cloud computing are well-known, and it has proven to be an effective solution for many IT organizations. By using the cloud, companies can lower their energy usage and reduce the need for separate data centers. This consolidation of processing and storage requirements into a single, secure location not only improves efficiency but also helps prevent data theft and loss. 

The result of these efforts is known as Sustainable Cloud Architecture, which promotes energy efficiency and responsible carbon emissions. These practices also help companies stay compliant with regulations like the European Union’s ERP Directive, which focuses on energy-related products. 

The goal of constructing a Sustainable Area is to reduce energy consumption and minimize the environmental impact of computing. By adopting these practices, businesses can do their part to protect the planet and preserve resources for future generations. This can lead to significant cost savings and a smaller carbon footprint, making it a win-win solution for both businesses and the environment.

The Need for Sustainable Cloud Computing

The increasing use of technology has led to a significant increase in energy consumption and greenhouse gas emissions. According to a report by the International Energy Agency (IEA), the global energy consumption of data centers, which house the computer servers that power the internet and other digital services, is projected to increase by 50% by 2030. This increase in energy consumption is not sustainable and could have serious consequences for the environment, such as increased carbon emissions and depletion of natural resources. 

Moreover, electronic waste (e-waste) has become a major issue as electronic devices are discarded at a high rate. E-waste contains toxic materials that can harm the environment and human health. According to the United Nations, the world generated 53.6 million metric tons of e-waste in 2019, with only 17.4% being officially documented as collected and recycled. 

The concept of sustainable computing addresses these environmental issues and seeks to develop computing systems that are energy-efficient, environmentally friendly, and minimize e-waste.

How to Achieve Sustainable Cloud Computing

The primary goal of Sustainable Cloud Computing is to reduce data centre power consumption while providing the necessary resources to handle multiple applications and workloads efficiently. One of the key strategies for sustainable computing is designing energy-efficient computing systems. These systems consume less power, which reduces the amount of energy needed to operate them and, in turn, reduces their environmental impact.  There are several ways to design energy-efficient computing systems, such as using low-power components, optimizing software to reduce energy consumption, and implementing power management strategies.  However, handling multiple applications in a data center/ system can be challenging, as it requires effective resource allocation and performance guarantees. To address this, domain data resources have statistical applications that depend on loading features. This allows for sustained segmentation and improved performance, even with multiple applications running simultaneously. To put this into perspective, let’s take a look at some statistics from IBM’s Cloud Computing report.  “More than 70 percent of companies surveyed said they were using cloud computing to improve their overall efficiency and productivity.”  “Nearly 50 percent reported that they had reduced their operating costs by at least 10 percent as a result of migrating to the cloud.”  Migrating an organization’s workloads to the cloud can be a complex process involving several factors that need to be considered. Here are some key considerations to ensure a successful cloud migration/ sustainable architecture:


Virtualization is a cloud computing approach that offers numerous benefits, including improved machine management, efficient energy usage, and environmental conservation. By sharing a single physical instance with multiple customers, virtualization allows for better monitoring and resource allocation, resulting in the maximum use of available resources in an environmentally responsible manner.

Here are some ways virtualization makes this feasible:

  • Assists the system in making the most use of available resources.
  • Provides easy tracking and management of resource allocation.
  • Avoids expected downtime by migrating virtual computers from one physical location to another.
  • Dynamically balances workloads among the servers. 

Virtualization enables companies to consolidate their applications onto fewer servers, making it easier to manage and maintain their IT infrastructure. It also reduces the need for new hardware, resulting in cost savings and reducing the amount of electronic waste, which can be harmful to the environment. 

Furthermore, virtualization allows for easy scaling of resources up or down, depending on the business’s needs, without any disruption to the services. This feature can help businesses save costs by only using the resources they require at any given time, instead of having to maintain excess capacity.


Containerization is a technology used in software development and deployment that involves packaging an application and all its dependencies into a single container that can run on any platform or operating system. A container is a lightweight, standalone executable package that includes everything needed to run an application, such as code, libraries, and system tools. By using containers, businesses can run more applications on the same physical hardware, thus reducing the need for additional servers and data centers. 

Adhering to the aforementioned, containerization facilitates the recycling of resources between applications. For example, if two applications require the same library, they can share a container with that library installed. This reduces the need for redundant resources and reduces the carbon footprint of the business. Moreover, containers can be used to recycle resources between different stages of the application development process, which further reduces the need for additional resources and energy consumption.

Dynamic Voltage Frequency Scaling (DVFS)

Dynamic Voltage Frequency Scaling (DVFS) is a technique that helps minimize data center energy usage and maximize resource use by dynamically controlling the voltage and frequency of a microprocessor. This is achieved by adjusting the voltage and frequency of the processor based on its workload, resulting in lower power consumption and reduced heat production in servers. 

DVFS is combined with frequency scaling, which is a technique that allows for dynamic control of the voltage and frequency of a processor, further enhancing its effectiveness. By adopting DVFS as part of a sustainable cloud computing strategy, businesses can significantly reduce their energy consumption and carbon footprint.

By reducing power consumption and minimizing heat production, DVFS can also help prolong the lifespan of hardware, reducing the need for replacement and further reducing electronic waste.


Cloud migration and sustainability​ are two interconnected issues that can have a significant impact on each other. The shift towards cloud computing can help reduce the carbon footprint of organizations by decreasing the energy consumption required to operate and maintain on-premises data centers. Additionally, cloud providers are increasingly incorporating sustainable practices into their operations, such as using renewable energy sources and implementing energy-efficient data centers. However, it is important to note that cloud migration is not a silver bullet for sustainability and must be done in a responsible and strategic manner. Careful consideration must be given to factors such as data privacy, security, and the environmental impact of cloud providers. By promoting sustainable computing practices and leveraging the benefits of cloud migration, we can help build a more sustainable future for our planet. Here, recognizing the significance of the interconnectedness between migration and sustainability, VE3’s Cloud Migration Services helps you transform your legacy applications to achieve “future-ready” sustainable business outcomes. Our services cover everything from strategy to execution, and we recognize that effective modernization requires a flexible blend of options with varying risk and return profiles. Our migration services include detailed methodologies for migrating large portfolios of applications to cloud platforms. The requisite services are scalable for single to multiple applications, and our reliable tools can assist you with assessment, application inventory, code analysis, migration planning, and execution. With our tested approach, we can help you seamlessly migrate to the cloud while minimizing disruptions to your operations.


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