Gartner Research

Decision Point for Choosing an Application Services Implementation Architecture

Published: 26 March 2015

ID: G00273316

Analyst(s): Gary Olliffe

Summary

Application architectures supporting digital business, mobile, IoT and APIs must implement services by exposing existing assets or building new capabilities. Architects building these services can use this Decision Point to select the best architecture based on critical nonfunctional criteria.

Table Of Contents

Decision Point

Decision Context

  • Architectural Context
  • Know Your SOA Philosophy

Evaluation Criteria

  • Requirements and Constraints
    • Accessing Existing Data Assets
    • Accessing Existing Application Assets
    • Modernizing Application Infrastructure
    • Enabling Bimodal Service Implementations
    • Enabling Service Implementation Productivity
    • Supporting Agile, CI, CD and DevOps
    • Implementing Service Complexity
    • Supporting Asynchronous Messaging Patterns

Alternatives

  • Data Services Architecture
  • Service Integration Architecture
  • Monolithic Service Architecture
  • Microservice Architecture

Future Developments

  • Internet of Things
  • Continued PaaS Evolution
  • Digital Business Drives Microservices and aPaaS

Decision Tool

Decision Justification

  • Use a Data Services Architecture
  • Use a Service Integration Architecture
  • Use a Monolithic Service Architecture
  • Use a Microservice Architecture

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