Gartner Research

Decision Point for Postmodern Security Zones

Published: 16 March 2016

ID: G00297702

Analyst(s): Joerg Fritsch


Gartner observes that many organizations reproduce legacy designs, based on network segmentation paradigms in new environments, thus leading to suboptimal architecture. This Decision Point provides a new model and architecture examples for security architects to group and segregate digital assets.

Table Of Contents

Decision Point Question

Decision Overview

Decision Tool

  • Zone Size Constraints
    • Minimum Zone Size Constraints
    • Maximum Zone Size Constraints

Requirements and Constraints

  • Traditional Architectures
    • Traditional Network Properties
    • Enclaves
  • Government Networks
    • Government Network Properties
    • Subzones
  • Hexagonal Architectures
    • Hexagonal Network Properties
  • Hybrid IT
    • Hybrid IT Network Properties


  • Open Architecture
  • OT Networks
    • Controller Area Network Buses

Future Developments

  • Automated Provisioning and Microsegmentation
  • IoT and Industry 4.0
  • Software-Defined Zoning
  • Appendix
    • Zone Enumeration
    • Zone Reduction
    • JavaScript Tool to Enumerate Possible Zones

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