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Implement RFC 6555 (Happy Eyeballs algorithm) for connect_tcp() #69

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agronholm opened this issue Sep 1, 2019 · 1 comment
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Implement RFC 6555 (Happy Eyeballs algorithm) for connect_tcp() #69

agronholm opened this issue Sep 1, 2019 · 1 comment
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enhancement New feature or request
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1.2.0

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@agronholm
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The RFC 6555 algorithm is used to make sure that any badly configured IPv6 interfaces don't mess with the connection process.
@agronholm agronholm added the enhancement New feature or request label Sep 1, 2019
@agronholm agronholm mentioned this issue Sep 1, 2019
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@agronholm agronholm added this to the 1.2.0 milestone Sep 9, 2019
@agronholm
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Another problem that this will solve: localhost often resolves to both ::1 and 127.0.0.1, and currently AnyIO will use the former. If the server only listens on IPv4, the result is a "connection refused" error.

agronholm added a commit that referenced this issue Oct 4, 2019
@agronholm
Implemented the Happy Eyeballs algorithm for connect_tcp()
d0ffbec 
Fixes #69.
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