SaaS vs. On-premises Replication

 

On-premises	SaaS
Data Director SQL to SQL replication. Uses Scheduler and DD to replicate data.	DD using web service for pulling data to HO in SaaS.
DD push to send transactions.	Web Replication for tenant-to-tenant or company-to-company replication within SaaS. Uses the Scheduler and web services to replicate data.
POS Web Services to send transactions, data entries, and so on from an offline POS to SaaS, and to perform data lookup on HO from POS. You can run this as a background session for improved performance on the POS.	POS Web Services to send transactions, data entries, and so on from an offline POS to SaaS, and to perform data lookup on HO from POS. You can run this as a background session for improved performance on the POS.
	Send transaction using web replication as a background session for sending transactions from an offline POS to SaaS (is slower than using POS web services but easier to use when working with extended Trans tables).