Guidance on Server's Preferred Address Migration for picoquic

[YifangZhang]

Dear Admins,

I am a relatively new user of both QUIC and picoquic.

Based on RFC 9000 Section 9.6, there is a possible migration on the server side to migrate the whole connection into the server's preferred address.

Could someone direct me to either a working example or a quick demo for picoquic's SPA migration?

Best,

[huitema]

Picoquic does support the "preferred address" transport parameter.

On the server side, this is activated by setting the values of the transport parameter "preferred_address" in the structure "picoquic_tp_t". You can find an example in the function preferred_address_test_one in picoquictest/tls_api_test.c.

[YifangZhang]

Is there a runnable example anywhere I could try? If not, I can start from this function then! Thanks a lot!

[huitema]

Sorry, there is no example for the server code outside of the test suite.

[YifangZhang]

Still thanks a lot!