Why is being 100% Native to Salesforce important?

There are times when 100% Native is neither advised nor possible. Salesforce themselves even advise the use of a Composite solution in situations where large, complex calculations requiring processor speed or Storage-intensive solutions are required. As many CPQ solutions will often require one or both of these features you should choose your system based upon its ability to efficiently perform the task in hand. A good composite system will deliver performance and lower cost storage without compromising the users Salesforce experience. Go to https://www.xait.com/xaitcpq/features