diff options
| -rw-r--r-- | Doc/library/asyncio-eventloop.rst | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/Doc/library/asyncio-eventloop.rst b/Doc/library/asyncio-eventloop.rst index 3acd79d..d60a6ce 100644 --- a/Doc/library/asyncio-eventloop.rst +++ b/Doc/library/asyncio-eventloop.rst @@ -451,6 +451,17 @@ Opening network connections Added the *happy_eyeballs_delay* and *interleave* parameters. + Happy Eyeballs Algorithm: Success with Dual-Stack Hosts. + When a server's IPv4 path and protocol are working, but the server's + IPv6 path and protocol are not working, a dual-stack client + application experiences significant connection delay compared to an + IPv4-only client. This is undesirable because it causes the dual- + stack client to have a worse user experience. This document + specifies requirements for algorithms that reduce this user-visible + delay and provides an algorithm. + + For more information: https://tools.ietf.org/html/rfc6555 + .. versionadded:: 3.7 The *ssl_handshake_timeout* parameter. |