HTTP/3 is the third major version of the HTTP protocol, which is used to transmit data over the internet. It was developed as a result of the increased use of encrypted connections and the need for a more efficient and secure protocol.
One of the main differences between HTTP/3 and earlier versions of HTTP is the use of the QUIC (Quick UDP Internet Connections) transport protocol. QUIC is a low-latency transport protocol that is designed to improve the performance of encrypted connections. It provides many of the same benefits as TCP (Transmission Control Protocol), such as reliable transmission of data and congestion control, but is faster and more efficient.
Another difference between HTTP/3 and earlier versions is the use of HPACK (Header Compression for HTTP/3), a compression algorithm that reduces the size of HTTP headers, which can help to improve the efficiency of the protocol.
HTTP/3 is designed to be more efficient and secure than earlier versions of HTTP, and is expected to improve the performance of encrypted connections. It is currently in the process of being standardized and implemented in web browsers and servers.
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