•  1. Overview
  • 1.1 The Auto Scaling Process
  •  1.2 Open Loop and Closed Loop Implementation Models
    •  1.2.1 Closed Loop Systems
      • 1.2.1.1. Control Theory
      • 1.2.1.2. Closed Loop Dynamic IaaS
    •  1.2.2 Open Loop Systems
      • 1.2.2.1. Control Theory
      • 1.2.2.2. Open Loop Dynamic IaaS
    • 1.2.3 Closed Loop Versus Open Loop
•  2. Sensing (Monitoring) the Service State
  •  2.1 Monitoring Approaches
    • 2.1.1 Polled Monitoring
    • 2.1.2 Stream Monitoring
    •  2.1.3 Derived Metrics
      • 2.1.3.1. Composite Metrics
      • 2.1.3.2. Forecast Metrics
    • 2.1.4 Monitoring Criteria
    • 2.1.5 End-User Monitoring
    • 2.1.6 Infrastructure and Application Monitoring: Causal Analysis
    •  2.1.7 Triggering the Scale Event
      • 2.1.7.1. Uncontrolled Scaling
      • 2.1.7.2. Controlled Scaling
•  3. Orchestration (Infrastructure Scaling)
  •  3.1 Scaling Localization
    • 3.1.1 Fixed Scaling
    • 3.1.2 Scale Everything
    •  3.1.3 Intelligent Scaling
      • 3.1.3.1. Identify a KPI Violation
      • 3.1.3.2. Determine KPI Violation Cause
      • 3.1.3.3. Localize the Cause
      • 3.1.3.4. Issue the Scaling Request
  •  3.2 Scaling Orchestration
    • 3.2.1 Foundational Requirements
    • 3.2.2 Scaling Management
    •  3.2.3 Adding/Removing Resources
      • 3.2.3.1. Adding Resources
      • 3.2.3.2. Connectivity

VMware vCloud® Architecture Toolkit

Connectivity