OFTP2 Interface Process

Hi All,

I am developing IDOC-PI-OFTP2 and vice versa.

But I have gone through the one of the blog in sdn it seems we need to create 2 flows.

I have outbound and inbound interface.Do I need to create 2 flows for each interface as per below blog

http://www.sdn.sap.com/irj/scn/go/portal/prtroot/docs/library/uuid/20dc073e-ed91-2f10-7fb3-f9a6f5bccfdc?QuickLink=index&…

Please suggest me

Thanks

Prem