Happy Eyeballs version 3

Question

fl1ger OP

Created 11h

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This post is from the WWDC26 Networking Q&A.

Moin!

Can you comment if anything of the happy eyeballs version 3 IETF draft ( https://datatracker.ietf.org/doc/draft-ietf-happy-happyeyeballs-v3/ ) is in the 27 version of OSes?

So long -Ralf

Answered by Engineer in 891730022

Network.framework is actively engaged in the development of Happy Eyeballs v3, as that's the layer that implements connection establishment racing.

In the iOS/macOS 27 and aligned releases, the handling of SVCB-priority with regards to address sorting is improved. This makes sure that the sorting of address families doesn't cross SVCB priority levels, and makes sure addresses are sorted by family within the priority levels.

Please continue to engage in discussion in the IETF HAPPY WG as well!

Answer 1

Engineer OP

Apple

11h

Accepted Answer

Network.framework is actively engaged in the development of Happy Eyeballs v3, as that's the layer that implements connection establishment racing.

In the iOS/macOS 27 and aligned releases, the handling of SVCB-priority with regards to address sorting is improved. This makes sure that the sorting of address families doesn't cross SVCB priority levels, and makes sure addresses are sorted by family within the priority levels.

Please continue to engage in discussion in the IETF HAPPY WG as well!