How can quantum networking transform data transmission in global internet infrastructure?

Quantum networking is an emerging field intended to enable secure and instantaneous communication over vast distances by leveraging the principles of quantum mechanics. As traditional internet infrastructure faces growing challenges in scalability and security, the interest in quantum networking continues to rise. This potential technology promises revolutionary advancements like unbreakable encryption and ultra-fast data transmission. However, many technical and logistical hurdles remain before it can be realized on a global scale. How could the adoption of quantum networking impact the future of internet infrastructure, and what are the key obstacles that need to be overcome to make it a functional reality?