Gartner Research

A Guidance Framework for Architecting Highly Available Cloud-Native Applications

Published: 05 August 2016

ID: G00308407

Analyst(s): Traverse Clayton

Summary

Application architects must design the availability of service capabilities into their production cloud applications. Cloud service providers give you a jump-start to meeting SLAs but do not guarantee application uptime. Follow this guide to architect high availability into your cloud applications.

Table Of Contents

Problem Statement

The Gartner Approach

  • Cloud-Native Shift

The Guidance Framework

  • Prework: Stakeholder Alignment and Readiness Assessment
  • Step 1: Split Applications Into Business Domains
    • The Goal: Granular SLAs
    • Start With Business-Centric Design
    • Splitting Up Your Application
    • Determining Availability Requirements
    • The Importance of Instrumentation and Telemetry
    • Output: Conceptual Decomposition
  • Step 2: Choose a Decoupled Architecture
    • Decoupling User Requests
    • Decoupling Application Service Requests
    • Minimize Application Service Dependencies
    • Cloud Deployment Strategies
    • Output: Logical Architecture
  • Step 3: Design Resiliency Into the Architecture
    • Approaches for Improving Availability
    • Design Patterns
    • Output: Resilient Logical Architecture
  • Step 4: Optimize the Architecture
    • Blue/Green Deployment
    • Multicloud Deployment
    • Failure Injection Testing
    • Output: Lessons Learned by Optimizing Your Architecture
  • Follow-Up
    • Architecture Review

Risks and Pitfalls

  • Risk: Oversplitting and Nesting of Business Domains
  • Risk: Lack of Portability
  • Risk: Using Redundancy Without Sufficient Automation
  • Pitfall: Poor Application State Management
  • Related Guidance

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