Product Info

Cloud servers reduce IT costs and boost operational efficiency through flexible resource allocation and high system availability. Learn the technical structure and business advantages of adopting cloud infrastructure.

What is a Cloud Server?
A cloud server is a virtualized computing environment delivered via the internet. It allows users to access scalable resources such as CPU, memory, and storage without relying on physical hardware. As a core model of IaaS (Infrastructure as a Service), cloud servers offer flexible and cost-effective IT infrastructure.
These systems are built using virtualization and distributed computing technologies, making them ideal for running enterprise applications, web systems, databases, and AI/ML platforms.

■ Basic Structure of Cloud Servers
Cloud servers provide isolated computing environments for multiple users through virtualization. Their core components include:
- Virtual Machines (VMs) or Containers
Run independent OS environments. Containers like Docker enable faster deployment with less overhead.
- Hypervisor
Virtualization software (e.g., VMware ESXi, KVM, Hyper-V) that manages VMs on physical servers.
- Orchestration Tools
Tools like Kubernetes and OpenStack automate load balancing, failover, and resource scaling.
- Management Interfaces
Users can manage servers in real time via APIs or web consoles.
- Scalable Storage & Networking
Includes block/object storage and virtual networks that connect VMs securely and efficiently.

■ Benefits of Implementing Cloud Servers
Adopting cloud infrastructure offers clear advantages for businesses:
- Lower Initial Costs
No need for physical server purchases—only pay for resources used.
- Scalability on Demand
Dynamically adjust CPU, RAM, and storage during peak periods or growth phases.
- Reduced Maintenance Burden
Cloud providers handle routine tasks like OS updates, backups, and system monitoring.
- Improved Disaster Recovery (DR)
Automatic failover, snapshots, and data redundancy ensure system availability.
- Supports Business Continuity Planning (BCP)
Geographic redundancy protects business operations during disasters.

■ Technical Points to Consider Before Adoption
Before migrating to a cloud server, assess the following:
- Performance Needs
Select instance types that match your CPU, disk I/O, and network bandwidth requirements.
- Security Architecture
Use encryption, access control, and audit logging to safeguard your environment.
- Running Cost Estimation
Understand pricing models (e.g., pay-as-you-go) to manage monthly budgets.
- Vendor Lock-In Avoidance
Build systems with portable architecture and standardized APIs to retain future migration flexibility.

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