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Cloud migration is about moving an organization's digital assets from on-premises infrastructure to cloud-based environments. These include:
- Data
- Applications
- IT resources
This transition is driven by the desire to leverage the benefits of cloud computing, which include:
- Improved flexibility
- Scalability
- Cost efficiency
- Access to advanced technological capabilities
It is also important to note that cloud migration can help businesses save money. Implementing it enables organizations to decrease or even completely eradicate the costs associated with purchasing high-cost hardware and its maintenance on-site. Cloud server providers offer flexible pricing based on the usage of their services. This allows business organizations to pay only for the required resources.
Cloud platforms offer unparalleled scalability. They enable businesses to adjust their IT resources to match demand easily. Whether scaling up or down, cloud environments provide the flexibility to adapt quickly without significant capital investment.
Typically, cloud service providers provide reliable infrastructure with high service availability and low unavailability. They employ high-level data backup and data protection measures, such as:
- Data backup
As a result, business people have the confidence that their data and applications are safe and easily retrievable.
Cloud solutions allow employees to access applications and data from anywhere. It fosters better collaboration and remote work capabilities. It is particularly beneficial in increasingly mobile and remote work environments.
Best cloud service providers invest heavily in security measures to protect their infrastructure and customers' data. They deliver advanced security features, such as:
- Encryption
- Identity and access management
- Threat detection
It helps organizations protect their digital assets against cyber threats.
It is the first step and thoroughly assesses the current IT infrastructure and applications. This phase includes:
- Identifying the assets to be migrated
- Evaluating their suitability for the cloud
- Estimating the possible costs and benefits
Planning also involves selecting the appropriate cloud model and service provider.
Based on the assessment, organizations develop a migration strategy. Common strategies include:
- Rehosting (Lift and Shift)
Moving data and applications to the cloud with minimal changes.
- Refactoring (Re-architecting)
Modifying applications to fully utilize cloud-native features and services.
- Replatforming (Lift, Tinker, and Shift)
Making small adjustments to optimize applications for the cloud environment.
- Repurchasing
It is replacing existing applications with cloud-based solutions, such as SaaS (Software as a Service).
- Retiring
It involves decommissioning outdated or unnecessary applications that are no longer needed.
It involves the actual migration of applications and data to the cloud. It may include:
- Data transfer
- Application reconfiguration
- Integration with existing systems
Testing is crucial during this phase to ensure everything functions correctly in the new environment.
After migration, continuous monitoring and optimization are important to assure that the cloud environment operates efficiently. This includes:
- Fine-tuning performance
- Managing costs
- Implementing security best practices
Public cloud migration involves moving assets to an environment where resources are shared among multiple tenants. It is cost-effective and scalable. This makes it suitable for many organizations.
Private cloud migration refers to transferring data to an infrastructure exclusive to a particular firm. This model is more secure and flexible to control than the other models. It is more suitable for organizations with legal requirements or confidential information.
Hybrid cloud migration combines public and private cloud environments, allowing organizations to leverage their benefits. This model provides flexibility. It enables businesses to run critical applications in a private cloud while using the public cloud for less sensitive workloads and scalability.
Multi-cloud migration entails using several cloud service providers to reduce the risk of being tied down to a particular provider and enhance backup. It allows the organization to choose the right cloud services for certain tasks, which means better performance and reduced costs.
Cloud migration is a transformative strategy that presents numerous benefits, including:
- Cost savings
- Scalability
- Improved performance
- Enhanced security
If an organization wants to extract the maximum value and benefits from cloud computing, having a clear migration strategy.
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