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HTTP2 multi-origin connection sharing vs DNS requests
10-19-2018, 12:17 AM (This post was last modified: 10-19-2018 07:15 PM by jakub.)
Post: #2
RE: HTTP2 multi-origin connection sharing vs DNS requests
Having read a bit, seems that the things I observed are known as "connection coalescing" and "ORIGIN frame", and that Chrome (and Safari) support ORIGIN frame without the DNS query.

(edited): But apparently only Firefox has implemented ORIGIN frame as of today:

https://bugzilla.mozilla.org/show_bug.cgi?id=1337791
https://bugs.chromium.org/p/chromium/iss...?id=697333

So I'm still puzzled how the requests to the two subdomains get merged into one H2 connection in Chrome, and the second subdomain doesn't trigger a DNS request?
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RE: HTTP2 multi-origin connection sharing vs DNS requests - jakub - 10-19-2018 12:17 AM

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