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DEPENDENCY MAPPING AND ANALYSIS

Understand what moves together

Precise dependency mapping is what separates a well-sequenced migration from an unplanned outage.

Sees how the estate behaves

Network flow, application configuration and infrastructure relationships combined into one picture.

Groups what must move together

Tight, latency-sensitive links stay in one move group; looser links can span waves with a documented path.

Scores before scheduling

An unresolved inbound dependency is visible before a wave is fixed, not after.

Diagram of a dependency map: a Finance application and its web, application and API servers and database, the hosts and cluster they run on and the data centre being exited, plus dependencies on a shared identity provider and a downstream CRM platform, with the move-together, sequencing and leave-in-place decisions the map drives
ANALYSIS

How does dependency mapping decide what moves together?

Dependency mapping turns the inventory into a picture of how the estate actually behaves: which servers, services and databases talk to each other, how often and in which direction. Relationships are grouped into move groups and scored for completeness, and what-if analysis shows what else has to move when an application changes wave.

  • Move groups built on evidence, not the organisation chart
  • Unresolved dependencies flagged before scheduling
  • What-if analysis across waves
  • Loose links, such as a nightly batch feed, spanned with a documented interim path
OUTCOMES

What Dependency Mapping & Analysis delivers

  • Sequencing decisions made on a validated picture of the estate
  • No asset moved without its dependencies accounted for
  • Waves structured around how applications actually interact
  • Outages and service degradation designed out before execution
EVIDENCE

Eliminate the risk of getting the sequence wrong

  • Sequencing errors are one of the most damaging and avoidable causes of migration failure. When assets that share dependencies are moved independently, or when waves are structured without a complete understanding of how applications interact, the consequences range from service degradation to unplanned outages.
  • Clarity's dependency mapping capability ensures that sequencing decisions are made on the basis of a complete, validated picture of the environment, not assumptions or incomplete records.
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