Problem $1[9$ points$].$ The QUIC $($Quick UDP Internet Connections$)$ protocol is a relatively new transport layer protocol developed by Google, designed to improve upon traditional TCP$.$ QUIC is built on top of UDP but provides features typically associated with TCP$,$ like reliable delivery, congestion control, and security. For this question, you can use online resources with proper citation.

$($a$)$ Provide a brief overview of TCP and UDP and highlight their key features and differences.

$($b$)$ Explain how QUIC combines features of both TCP and UDP. What advantages does QUIC have over traditional TCP connections?

$($c$)$ Research and summarize how widely QUIC is being adopted across the Internet.