AMI (Amazon Machine Image) - 用語集
定義と説明： AMI (Amazon Machine Image). An AMI is a template containing the software configuration for launching EC2 instances.
クラウドコンピューティング用語集
クラウドコンピューティング用語集
クラウドコンピューティング用語集
クラウドコンピューティング用語集. Compare pricing across AWS, Azure, GCP, and Alibaba Cloud.
Overview
Browse our comprehensive collection of cloud pricing information for glossary. All data is sourced from official cloud provider pricing APIs and updated regularly.
価格比較
| プロバイダー | Starting Price | Free Tier | Reserved Discount |
|---|---|---|---|
| AWS | $0.00520/hr | 12 months | Up to 72% |
| Azure | $0.00520/hr | 12 months | Up to 72% |
| GCP | $0.00400/hr | Always-free tier | Up to 57% |
| Alibaba | $0.00300/hr | 12 months | Up to 60% |
推奨
- Compare all providers: Pricing can vary by 20-40% for equivalent instances
- Use reserved instances: Commit for 1-3 years to save 40-72%
- Leverage spot instances: Save 70-90% for interruptible workloads
- Right-size your instances: Match instance specs to actual workload requirements
- Monitor costs: Set up billing alerts and review spending regularly
Auto Scaling - 用語集
定義と説明： Auto Scaling. Auto scaling automatically adjusts the number of instances based on demand and defined policies.
Availability Zone - 用語集
定義と説明： Availability Zone. An availability zone is an isolated location within a region designed for fault tolerance and high availability.
Bandwidth - 用語集
定義と説明： Bandwidth. Bandwidth is the maximum rate of data transfer across a network connection, measured in bits per second.
Cloud Region - 用語集
定義と説明： Cloud Region. A cloud region is a geographical area with one or more availability zones operated by a cloud provider.
Cloud Storage - 用語集
定義と説明： Cloud Storage. Cloud storage is a cloud computing model that stores data on remote servers accessed via the internet.
EBS (Elastic Block Store) - 用語集
定義と説明： EBS (Elastic Block Store). Amazon EBS is AWS's block storage service providing persistent volumes for EC2 instances.
EBS Snapshot - 用語集
定義と説明： EBS Snapshot. An EBS snapshot is a point-in-time backup of an EBS volume stored in Amazon S3.
HDD (Hard Disk Drive) - 用語集
定義と説明： HDD (Hard Disk Drive). HDD is a traditional storage device using magnetic disks, offering lower cost per GB but slower performance.
IOPS (Input/Output Operations Per Second) - 用語集
定義と説明： IOPS (Input/Output Operations Per Second). IOPS measures the number of read/write operations a storage device can handle per second.
Latency - 用語集
定義と説明： Latency. Latency is the time delay between a request and its response, measured in milliseconds.
Load Balancer - 用語集
定義と説明： Load Balancer. A load balancer distributes incoming network traffic across multiple instances for reliability.
On-Demand Pricing - 用語集
定義と説明： On-Demand Pricing. On-demand pricing charges per hour or second of usage with no upfront commitment.
RAM (Random Access Memory) - 用語集
定義と説明： RAM (Random Access Memory). RAM is the volatile memory used by a computer or cloud instance for temporary data storage during processing.
Reserved Instance - 用語集
定義と説明： Reserved Instance. A reserved instance is a billing discount offered in exchange for a usage commitment.
Savings Plan - 用語集
定義と説明： Savings Plan. A savings plan offers flexible pricing in exchange for a commitment to a consistent hourly spend.
Security Group - 用語集
定義と説明： Security Group. A security group is a virtual firewall controlling inbound and outbound traffic for cloud instances.
Spot Instance - 用語集
定義と説明： Spot Instance. A spot instance is spare cloud capacity available at a discount, subject to interruption.
SSD (Solid State Drive) - 用語集
定義と説明： SSD (Solid State Drive). SSD is a storage device that uses flash memory, offering higher performance than traditional HDDs.
Subnet - 用語集
定義と説明： Subnet. A subnet is a range of IP addresses within a VPC that can be used to isolate resources.
TCO (Total Cost of Ownership) - 用語集
定義と説明： TCO (Total Cost of Ownership). TCO is the complete cost of owning and operating a system, including direct and indirect costs.
Throughput - 用語集
定義と説明： Throughput. Throughput is the amount of data transferred per unit of time, typically measured in MB/s or Gbps.
vCPU (Virtual CPU) - 用語集
定義と説明： vCPU (Virtual CPU). A virtual CPU is the share of a physical CPU allocated to a virtual machine or cloud instance.
VPC (Virtual Private Cloud) - 用語集
定義と説明： VPC (Virtual Private Cloud). A VPC is a logically isolated network section of a cloud provider's network for hosting resources.