Re: comments on draft-mbelshe-httpbis-spdy-00

On 8/16/12 6:50 AM, William Chan (陈智昌) wrote:
> Can you clarify the reason to prefer srv over something like an
> Alternate-Protocol response header? I can see that Alternate-Protocol
> is suboptimal in that it requires waiting for a response first, but I
> have concerns about adding yet another DNS lookup. Chromium has
> already lowered our concurrent getaddrinfo() calls to 6 due to
> problems with home routers not being able to handle too many
> concurrent DNS queries. Adding more DNS lookups per hostname will
> further exacerbate the problem.
And whatever mechanism is used has to work with the http: schema, which
includes a port.
Eliot