A global financial services firm requires uninterrupted, high-definition video conferencing for its executive board meetings, which are frequently conducted across geographically dispersed offices with varying network quality. The firm operates under strict regulatory compliance for communication integrity and data privacy. The IT team has identified that inconsistent video quality, characterized by pixelation and audio sync issues, is directly correlated with periods of network congestion and unpredictable bandwidth availability. The project lead needs to implement a solution that ensures a consistently superior video experience, reflecting strong leadership potential in guiding the team through potential technical ambiguities and demonstrating adaptability to evolving network conditions. Which of the following technical strategies, within the scope of Cisco Video Infrastructure Design, would most effectively address the core issue of maintaining video stream integrity and performance under these challenging network circumstances?