Gartner Research

Choosing an Architecture for Managing APIs and Services

Published: 20 June 2017

ID: G00320950

Analyst(s): Gary Olliffe

Summary

Governance of APIs and application services is no longer just about control; it's also about agile delivery and productivity. Technical professionals delivering APIs, SOA and microservices need a governance architecture to help an organization define, promote, secure and support their use.

Table Of Contents

Comparison

  • Comparing Architectures for Common Application Services Governance Scenarios
  • Comparing Governance Architecture Overlaps and Gaps

Analysis

  • The Emergence of Full Life Cycle API Management
  • Why "Governance" Is Not a Dirty Word
  • Separation of Policies and Code
  • NoESB: Not Only ESB
  • Differentiating Between Services and APIs
  • Application Service and API Governance Capabilities
    • Policy Management Capabilities
    • Registry, Repository and Developer Portal Capabilities
    • Service/API Integration and Composition Capabilities
    • Service Monitoring and Analytics Capabilities
    • Commercialization Capabilities
  • Option 1: Service-Centric Architecture
    • Policy Management
    • Registries, Repositories and Developer Portals
    • Service/API Integration and Composition
    • Service/API Monitoring and Analytics
    • Commercialization
    • Applicability to Usage Scenarios
  • Option 2: API-Centric Architecture
    • Policy Management
    • Registries, Repositories and Developer Portals
    • Service/API Integration and Composition
    • Service/API Monitoring and Analytics
    • Commercialization
    • Applicability to Usage Scenarios

Guidance

  • Use API Gateway Capabilities Instead of ESBs to Mediate Access to APIs and Services
  • Deploy API-Centric Architecture First When Starting From Scratch
  • Don't Overbuy Duplicate Service Governance Capabilities
  • Govern Event-Driven Services as You Would Request-Response APIs
  • Include an API Gateway in Your Outer Architecture for Microservices

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