软件包：python3-aiohappyeyeballs（2.4.2-1）

Happy Eyeballs connection helper for asyncio

Implements the Happy Eyeballs algorithm for asyncio, facilitating rapid connection establishment by attempting both IPv4 and IPv6 connections simultaneously. This approach ensures that the connection is established quickly and efficiently, even if one protocol is slower or unavailable.

Happy Eyeballs, also known as Fast Fallback, addresses the problem of connectivity issues in dual-stack applications (supporting both IPv4 and IPv6). By attempting both protocols in parallel and preferring IPv6, it minimizes delays caused by IPv6 brokenness and enhances user experience by promptly selecting the most responsive connection.

This library is particularly useful when using DNS caching or resolving names through methods other than traditional DNS, such as zeroconf. It allows for creating connections using pre-resolved addrinfo, bypassing the limitations of the standard `loop.create_connection()` method which requires unresolved names.

本页其他语言版本如下（如何设置默认文档语言）：