Elasticity

Kind: quality-attribute

Layer: Performance Core

Record: architecture:elasticity

Severity: contextual

Scope: deployment, infrastructure

Canonical: Ontology

The degree to which a system's provisioned capacity follows demand up and down automatically.

Listed in Architecture principles, after Vertical Scaling and before Load Balancing.

Requires

• Auto-Scaling
• Metrics

Reinforces

• Scalability
• Cost Efficiency

Enables

• Dynamic Capacity

Conflicts with

• Fixed Provisioning

In tension with

• Warm-Up Latency

Tensions

• Elasticity / Warm-Up Latency

Violated by

• Fixed Provisioning

Refactored by

• Autoscaling Policy
• Externalize Session State

Severity

• contextual

Category

• Scalability / Performance / Optimization

Reinforced by

• Horizontal Scaling
• Space-Based Architecture

Linked from

• Scalability / Performance / Optimization
• Self-Healing / Recovery / Deployment Safety
• Codebase / System Architecture Styles
• Core Vocabulary
• Scalability / Performance / Optimization
• Self-Healing / Recovery / Deployment Safety
• Severity levels
• The resolutions