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Cloud computing refers to a system in which IT resources such as servers and storage are provided and used via the Internet.
The flexibility and cost-effectiveness of cloud computing are its main attractions, as it does not require companies to own their own facilities and can be used as and when needed.

Typical delivery models include IaaS, PaaS, and SaaS, each of which has a different role and scope of application.
The cloud enables rapid scale-out and BCP reinforcement, but it also requires consideration of security and dependability.
It is important to properly understand the benefits and risks, and establish a usage policy that aligns with your company's strategy.

Cloud implementation is not simply a technology migration, but a process of IT strategy redesign.
Starting with an analysis of the current situation, system configuration and issues are sorted out, and then network design, authentication methods, security measures, etc. are formulated.

During the migration phase, we conduct phased implementation and testing to ensure availability and stable operation.
In addition, by incorporating operational design and monitoring policies from the early stages of implementation, we can minimize the operational load after the migration.

Understanding SLAs and cost structures, as well as developing governance and budgetary controls, are key to sustaining cloud utilization.
The objective is to "establish an operational structure that is resilient to change." This is not just an infrastructure renewal, but an infrastructural reform that supports the growth of the organization.

AMCS is a systematized approach to "Acquiring and Managing Cloud Services" and a framework that supports IT service management in the cloud era.
As the use of cloud computing expands, new issues such as cost and quality management, avoidance of vendor dependence, and contract management are emerging.

First, select the most appropriate model (public/private/hybrid) for your company and clarify the service level agreement (SLA).
After implementation, we will monitor usage and cost optimization on an ongoing basis, and put in place change management and vendor management processes.

AMCS practices enable both convenience and control, and improve the quality and sustainability of cloud operations.

The Cloud Adoption Framework (CAF) is Microsoft's official guideline for systematizing the planning, design, and operation of cloud deployments.
It consists of the following six phases and provides the best course of action for each phase

• Strategy: Define objectives and performance indicators
• Plan: Organize target systems and develop a roadmap
• Ready: Build the infrastructure and prepare for security
• Adopt: Implement migration or new build
• Govern: Establish policies and risk management
• Manage: Operate a cycle of monitoring, optimization, and improvement

CAF enables "holistic implementation planning" and avoids "one-size-fits-all" or ad hoc responses.
Even small- and medium-sized organizations can realize an orderly transition to the cloud with limited resources by adopting CAF.

The Microsoft Cloud Adoption Framework for Azure is a comprehensive set of guidelines for cloud adoption and operations specifically for Azure.
It applies the CAF principles to the Azure environment and supports the design, implementation, operation, and control phases.

In particular, it focuses on alignment with the Azure Well-Architected Framework (WAF) and aims to strike a balance between reliability, cost optimization, security, and operational efficiency.
Implementation elements such as Azure Policy, Blueprint, Entra ID, and Log Analytics are also organized for systematic use.

By following this framework, you can establish a cloud infrastructure that not only streamlines technology implementation, but also maximizes business value.
For organizations leveraging Azure, CAF for Azure is the "starting point for continuous operational improvement.