SAP HANA is an in-memory database which supports real time data replication from SAP and non SAP data sources. Following data replications are supported using SAP HANA:
SAP Landscape Transformation (SLT):
This is trigger based approach used to transfer data from source system to target system
SAP Data Services (BODS):
This is commonly used to move data from SAP and non-SAP data sources to HANA db. It is an ETL based replication which extract, transform and load data from source system to target system.
Sybase replication in SAP HANA:
This includes Sybase Replication agent which is part of SAP source application and Replication server implemented in HANA system.
Direct Extract Connection DXC:
It is batch driven data replication based on existing extraction, transformation, and load mechanism built into SAP Business Suite systems via a simple HTTP(S) connection to SAP HANA.