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Subject: Re: [quicwg/base-drafts] Complete version negotiation failure (#1917)
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I won't necessarily argue against failover to TCP, but my working assumption is that QUIC is QUIC, even if the most likely implemention is QUIC/HTTP/HQ/H3 with support for TCP. Hence QUIC needs to be able to handle itself the best it can. Specific use cases may recommend fallbacks to TCP, but it won't work in general.

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<p>I won't necessarily argue against failover to TCP, but my working assu=
mption is that QUIC is QUIC, even if the most likely implemention is QUIC=
/HTTP/HQ/H3 with support for TCP. Hence QUIC needs to be able to handle i=
tself the best it can. Specific use cases may recommend fallbacks to TCP,=
 but it won't work in general.</p>

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