Is BODS (BO data services) required when we have BW on HANA?

The current setup is, ERP BODS BW (Supported by Sql server DB).. , there have been several talks about implementing HANA, which I personally think is not required at this point, because we have only 1 TB of overall data in our BW system. But, to continue with my question, if we have to bring in HANA in our current setup, what do you think the flow or the architecture would be??

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Is BODS (BO data services) required when we have BW on HANA?

There are two type of scenario with SAP HANA. You can run SAP HANA as a database or BI 7.3 on top of SAP HANA.