Andy Nallappan, CIO of Avago Technologies, discusses strategies to reduce the IT budget to 1% of revenue through aggressive outsourcing and migration to the cloud, highlighting the company's shift from a single vendor to a multi-vendor model. Avago has seen significant reductions in costs and improvements in productivity after transitioning from Microsoft Exchange to Google Apps for communication. Nallappan emphasizes the importance of careful vendor selection and the challenges of change management during such transitions.