Traditional software vendors are battling to manage the new wave of trends such as Cloud, SaaS and BPM, which threaten to eat into IT budgets. Given its dominance in ERP business, SAP is a good test case to understand the predicament of on-premise vendors. Acknowledging that the IT landscape is changing, SAP is making important moves to fit in. But the transformation is not going to be easy and Enterprise irregular Dennis Howlett has posed six tough questions on the challenges before the software giant on ZDNet. The questions may be targeted at SAP. But it is for the entire industry to answer them.