Application landscape interface matrix — before an ERP cutover
Dependency structure matrix of a retail group's 14 core applications and their 41 interfaces, partitioned to show that all but one sit in a single irreducible cycle — the integration-landscape analysis an enterprise or integration architect produces to plan an ERP cutover sequence.
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title "Retail group application landscape — 41 interfaces before the ERP cutover"
mode component
convention ir-fad
# Entra ID B2C is authoritative for the customer record and receives
# nothing, so it is the one system that sequences ahead of the block.
# Read across a row to find what that system RECEIVES.
# Strength = interface class: 3 near-real-time API/event, 2 hourly batch,
# 1 nightly file. Listed in the order they appear on the landscape poster.
components: SAP MDG (master data), Akeneo PIM, Salesforce Commerce, Oracle Xstore POS
components: Fluent OMS, Manhattan WMS, Blue Yonder TMS, Adyen payments, Vertex tax
components: SAP S/4HANA (ERP core), Salesforce Service Cloud, Entra ID B2C
components: Snowflake data platform, o9 planning
SAP MDG (master data) <- SAP S/4HANA (ERP core):2, Akeneo PIM:1
Akeneo PIM <- SAP MDG (master data):3
Salesforce Commerce <- Akeneo PIM:3, Fluent OMS:3, Entra ID B2C:2, Adyen payments:2
Oracle Xstore POS <- Akeneo PIM:2, SAP MDG (master data):2, Entra ID B2C:1
Fluent OMS <- Salesforce Commerce:3, Oracle Xstore POS:3, SAP S/4HANA (ERP core):2, Manhattan WMS:3
Manhattan WMS <- Fluent OMS:3, SAP S/4HANA (ERP core):2, Blue Yonder TMS:2
Blue Yonder TMS <- Manhattan WMS:3, Fluent OMS:2
Adyen payments <- Salesforce Commerce:3, Oracle Xstore POS:3
Vertex tax <- SAP S/4HANA (ERP core):1
SAP S/4HANA (ERP core) <- Fluent OMS:3, Manhattan WMS:3, Oracle Xstore POS:2, Adyen payments:2, Vertex tax:3, o9 planning:1, SAP MDG (master data):2
Salesforce Service Cloud <- Fluent OMS:2, Salesforce Commerce:2, Entra ID B2C:1
Snowflake data platform <- SAP S/4HANA (ERP core):1, Fluent OMS:1, Salesforce Commerce:1, Oracle Xstore POS:1, Salesforce Service Cloud:1, Manhattan WMS:1
o9 planning <- Snowflake data platform:1, SAP S/4HANA (ERP core):1, SAP MDG (master data):1