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Training Camp • Cybersecurity Glossary
QUIC is a UDP transport in RFC 9000 with built-in TLS 1.3 that cuts latency, removes head-of-line blocking, and underpins HTTP/3.
QUIC Definition: QUIC is a UDP transport in RFC 9000 with built-in TLS 1.3 that cuts latency, removes head-of-line blocking, and underpins HTTP/3.
QUIC is a UDP-based transport protocol standardized in RFC 9000 that integrates TLS 1.3 encryption directly into the transport layer for confidentiality and integrity by default. It reduces connection setup latency with combined transport and cryptographic handshakes, supports zero round-trip resumption, and uses independent streams to eliminate head-of-line blocking. QUIC is the foundation of HTTP/3 and presents new visibility challenges because most of its headers and payload are encrypted.
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