whether a concrete server can support,both HTTP/2 and HTTP/1.1, or not?

Xuelei Fan xuelei.fan at oracle.com
Fri Sep 25 15:08:34 UTC 2015


On 9/25/2015 10:28 PM, Simone Bordet wrote:
> Hi,
> 
> On Fri, Sep 25, 2015 at 4:19 PM, Xuelei Fan <xuelei.fan at oracle.com> wrote:
>> Actually, it was a puzzle to me: whether a concrete server can support
>> both HTTP/2 and HTTP/1.1, or not. If HTTP/2 mode of the server does not
>> work, is it OK to fall-over to use HTTP/1.1 mode? I did not get the
>> answer from the HTTP/2 spec.
> 
> Yes, there was an answer to Bradford's email:
> https://lists.w3.org/Archives/Public/ietf-http-wg/2015JulSep/0160.html.
> The answer is "yes".
> 
Thanks!

It would be nice to document the specification officially that HTTP2 can
be fail-over to HTTP 1.1 (HTTP protocol version negotiation).

Xuelei


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