QA Involvement in SDLC

Although QA acts & tries to run fast to complete testing at the very end phase of a development life cycle; QA involves from the beginning. As you can see form the below diagram, QA involves almost from the time when the business requirements are written. QA should provide their valuable input so as to improve the quality of the product. Any risks/ concerns/ suggestions should be raised before hand.

Involving QA from the beginning would give the team to prepare with a mind set that is required to test the product - WHICH IS THE MOST IMPORTANT THING, that should never be ignored