Master Data Replication between Head Office and Subsidiary is the most critical aspects for a smooth functioning of 2Tier Scenarios.
Now we can replicate Master Data using Master Data Integration BTP Service.
SAP Master Data Integration (MDI) is a multi-tenant cloud service for master data integration. It provides a consistent view on master data across a hybrid landscape. SAP Master Data Integration based on the SAP One Domaine Model is a key component of the Intelligent Enterprise’s suite qualities and hence, helps enterprises to become an intelligent and sustainable enterprise

SAP Master Data Integration
Replicate Master Data from S/4HANA On-Premise /Private Cloud to BTP MDI
In S/4HANA OP/Private Cloud , Data Replication Framework can be used to invoke SOAP Services.
https://help.sap.com/docs/SAP_MASTER_DATA_INTEGRATION/c7713d6177ad479d9ea00958db9f2f81/5877c76703484...
BTP Master Data Service needs to be configured with Service Key as given in below SAP Help Link
https://help.sap.com/docs/SAP_MASTER_DATA_INTEGRATION/c7713d6177ad479d9ea00958db9f2f81/dab76d5506a44...
Then BTP Master Data Integration (Orchestration) needs to be configured
BTP MDO allows master data replication according to predetermined master data distribution models. SAP Master Data Orchestration can only be used in combination with the SAP Master Data Integration service

Master Data Orchestration

MDO Business Objects
Manage Business Object Type is used to configure the business object type so that the business context is applied during the distribution of your master data. You can also add extension fields to extend the business object type
The Distribution Model will be used to Pull Master data from MDI to S/4Hana Cloud.
A detailed blog will follow with end to end scenario