> For the complete documentation index, see [llms.txt](https://http3-explained.haxx.se/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://http3-explained.haxx.se/en/quic.md).

# How QUIC works

Without explaining the exact bits and bytes on the wire, this section describes how the fundamental building blocks of the QUIC transport protocol work. If you want to implement your own QUIC stack, this description should give you a general understanding, but for all the details, refer to the actual IETF Internet Drafts and RFCs.

1. Set up a [connection](/en/quic/quic-connections.md)
2. ... that includes [TLS security](/en/quic/quic-tls.md)
3. Then use [streams](/en/quic/quic-streams.md)