Miloslav Pojman - HTTP/3 – Why should I care?

HTTP/3, the next generation of the HTTP protocol, built on QUIC, a new transport protocol that replaces TCP with UDP, offering faster connections, better security, and improved efficiency.

Key takeaways

HTTP/3 is the next version of the HTTP protocol, built on top of QUIC, a new transport protocol that replaces TCP with UDP.
QUIC has encryption built-in, making it secure from the start, and offers advantages such as faster connection setup, better loss recovery, and multiplexing of streams.
HTTP/3 is not backwards compatible with HTTP/2 or HTTP/1, and requires updated software and libraries.
The main goal of HTTP/3 is to make the Internet faster and more efficient.
QUIC can evolve independently of the HTTP protocol, making it more flexible and future-proof.
TCP has too many layers and takes too much time to set up a connection, which is a major bottleneck.
QUIC is designed to fix this problem, with faster connection setup and encryption.
Akamai and Google are actively involved in the development and deployment of QUIC.
HTTP/3 is likely to be widely adopted, especially since many major players are investing in its development.
HTTP/3 will allow for faster and more reliable transfer of data over the Internet, improving user experience and making the Internet more efficient.
Libraries such as httpx and requests will support HTTP/3 in the future.
TCP’s limitations are well understood, but QUIC’s properties make it an attractive alternative.
GQUIC and IETF QUIC are the two main implementations of QUIC, with Google’s QUIC being a proprietary version.

Miloslav Pojman - HTTP/3 – Why should I care?

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