AMI (Amazon Machine Image) - Glossaire
Définition et explication de AMI (Amazon Machine Image). An AMI is a template containing the software configuration for launching EC2 instances.
Glossaire du cloud computing
Glossaire du cloud computing
Glossaire du cloud computing
Glossaire du cloud computing. 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.
Comparaison des prix
| Fournisseur | 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% |
Recommandation
- 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 - Glossaire
Définition et explication de Auto Scaling. Auto scaling automatically adjusts the number of instances based on demand and defined policies.
Availability Zone - Glossaire
Définition et explication de Availability Zone. An availability zone is an isolated location within a region designed for fault tolerance and high availability.
Bandwidth - Glossaire
Définition et explication de Bandwidth. Bandwidth is the maximum rate of data transfer across a network connection, measured in bits per second.
Cloud Region - Glossaire
Définition et explication de Cloud Region. A cloud region is a geographical area with one or more availability zones operated by a cloud provider.
Cloud Storage - Glossaire
Définition et explication de Cloud Storage. Cloud storage is a cloud computing model that stores data on remote servers accessed via the internet.
EBS (Elastic Block Store) - Glossaire
Définition et explication de EBS (Elastic Block Store). Amazon EBS is AWS's block storage service providing persistent volumes for EC2 instances.
EBS Snapshot - Glossaire
Définition et explication de EBS Snapshot. An EBS snapshot is a point-in-time backup of an EBS volume stored in Amazon S3.
HDD (Hard Disk Drive) - Glossaire
Définition et explication de 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) - Glossaire
Définition et explication de IOPS (Input/Output Operations Per Second). IOPS measures the number of read/write operations a storage device can handle per second.
Latency - Glossaire
Définition et explication de Latency. Latency is the time delay between a request and its response, measured in milliseconds.
Load Balancer - Glossaire
Définition et explication de Load Balancer. A load balancer distributes incoming network traffic across multiple instances for reliability.
On-Demand Pricing - Glossaire
Définition et explication de On-Demand Pricing. On-demand pricing charges per hour or second of usage with no upfront commitment.
RAM (Random Access Memory) - Glossaire
Définition et explication de RAM (Random Access Memory). RAM is the volatile memory used by a computer or cloud instance for temporary data storage during processing.
Reserved Instance - Glossaire
Définition et explication de Reserved Instance. A reserved instance is a billing discount offered in exchange for a usage commitment.
Savings Plan - Glossaire
Définition et explication de Savings Plan. A savings plan offers flexible pricing in exchange for a commitment to a consistent hourly spend.
Security Group - Glossaire
Définition et explication de Security Group. A security group is a virtual firewall controlling inbound and outbound traffic for cloud instances.
Spot Instance - Glossaire
Définition et explication de Spot Instance. A spot instance is spare cloud capacity available at a discount, subject to interruption.
SSD (Solid State Drive) - Glossaire
Définition et explication de SSD (Solid State Drive). SSD is a storage device that uses flash memory, offering higher performance than traditional HDDs.
Subnet - Glossaire
Définition et explication de Subnet. A subnet is a range of IP addresses within a VPC that can be used to isolate resources.
TCO (Total Cost of Ownership) - Glossaire
Définition et explication de TCO (Total Cost of Ownership). TCO is the complete cost of owning and operating a system, including direct and indirect costs.
Throughput - Glossaire
Définition et explication de Throughput. Throughput is the amount of data transferred per unit of time, typically measured in MB/s or Gbps.
vCPU (Virtual CPU) - Glossaire
Définition et explication de 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) - Glossaire
Définition et explication de VPC (Virtual Private Cloud). A VPC is a logically isolated network section of a cloud provider's network for hosting resources.