[nginx] support http2 per server

[Valentin V. Bartenev]

On Thursday 08 June 2017 23:19:23 洪志道 wrote:
> It sounds right.
> 
> According to the same situation, how does http2 protocol force other
> virtual servers to process certificate (ssl handshake).
> 
> Example:
> 
> server {
>     listen 443 http2;
>     a.com;
>     ssl_certi....;
> }
> 
> server {
>     listen 443 http2;
>     b.com;
>     ssl_certi....;
> }
> 
> We assume sni is 'a.com', then the connection contains different requests
> with different domains.
> That b.com will escape from ssl handshake. In fact, we need it to do the
> ssl handshake.
> 
> Thanks.
> 

It is called "Connection Reuse" in HTTP/2:
https://tools.ietf.org/html/rfc7540#section-9.1.1

  wbr, Valentin V. Bartenev