Integration vs. Modularity

Define and test stable interface contracts between modules so component evolution never breaks security boundaries or service continuity obligations.

CyberTRIZ analysis · Telecommunications contradiction NC023 · one of 8,235 worked contradictions published by CyberTRIZ.AI

Regulations

EU_NIS2 IEC_62443 ISO_27001 OWASP_SAMM ISO_20000

Business Context

Tightly integrated telecommunications systems can provide strong performance, simplified coordination, and clear accountability because components are designed to work together. However, tight integration can make individual components difficult to replace, upgrade, or scale independently. Highly modular systems improve flexibility but introduce more interfaces, integration requirements, and potential failure points.

Telecommunications TRIZ Resolution

Architecture should maintain strong functional integration through stable interfaces while preserving independence behind those interfaces. Components that require frequent evolution or scaling should be modularized, while interactions requiring extremely tight coordination can remain more integrated. Interface contracts, automated testing, abstraction layers, and common data models allow modules to evolve without destabilizing the complete system.

Applicable TRIZ Principles

Principle 1 – Segmentation separates functions where independent evolution creates lifecycle value.

Principle 5 – Merging maintains coordinated behavior where functions require close interaction.

Principle 24 – Intermediary uses abstraction layers and standardized interfaces to connect independently evolving components.

Expected Outcome

Greater architectural flexibility

Maintained end-to-end integration

Easier component upgrades

Reduced technology lock-in

Decision Indicators

Early indicators include:

Replacing one component requires changes across multiple systems.

Modular architectures generate excessive interface troubleshooting.

Technology upgrades are delayed by tightly coupled dependencies.

Integration testing consumes a growing share of deployment effort.

Components cannot scale independently despite different demand patterns.

TRIZ principles applied

P1 SegmentationP5 MergingP24 Intermediary

Controls that address this (22)

EU_NIS2-CTRL-001 - Daily safeguarding reconciliationoperational · critical priority · Daily reconciliation between safeguarded customer balances, core ledger balances and safeguarded bank accounts. Variances above EUR 100 must EU_NIS2-CTRL-002 - Critical ICT incident reportingoperational · critical priority · All major ICT incidents impacting payment services, customer data or availability must be classified within 4 hours and reported under DORA EU_NIS2-CTRL-003 - GDPR breach notification workflowoperational · critical priority · Personal data breaches must be assessed within 12 hours and reported to the Belgian DPA within 72 hours where risk to data subjects exists.