http - WebSocket 是否与 HTTP/3 兼容

Question

即将到来的 HTTP/3 标准不再基于 TCP，而是基于 QUIC 协议(protocol)。 WebSocket 基于 TCP 并作为 HTTP 更新启动。

WebSocket 连接是否基于 QUIC 而不是 TCP 作为 HTTP/3 更新启动？还是无法将 HTTP/3 连接更新为 WebSocket 连接？

Answer 1

当前 RFC6455 仅支持 HTTP/1.1用于连接升级。

Once a connection to the server has been established (including a
connection via a proxy or over a TLS-encrypted tunnel), the client
MUST send an opening handshake to the server. The handshake consistsof an HTTP Upgrade request, along with a list of required and
optional header fields. The requirements for this handshake are as
follows.

1. The handshake MUST be a valid HTTP request as specified by[RFC2616].

2. The method of the request MUST be GET, and the HTTP version MUSTbe at least 1.1.

然而，有提议支持 HTTP/2 和 HTTP/3(正如 Remy Lebeau 在上面的评论中提到的)。