Re: [squid-users] Persistent Connections

tis 2006-09-19 klockan 14:45 -0700 skrev Mark Nottingham:
> On 2006/09/19, at 1:54 PM, Henrik Nordstrom wrote:
>
> >> However, if it receives a HTTP/1.1 request, it will fall back to one-
> >> request-per-connection. Since pconns are the default in HTTP 1.1, why
> >> not use them?
> >
> > Because we don't know the HTTP/1.1 client knows HTTP/1.0-style
> > persistent connections.
>
> A HTTP/1.0-style persistent connection is a form of a HTTP/1.1
> persistent connection. I.e., sending this response
>
> --->8---
> HTTP/1.0 200 OK
> Content-Length: nnn
> Connection: keep-alive

Except that HTTP/1.1 doesn't define "Connection: keep-alive", only
"Connection: close". The keep-alive of an HTTP/1.1 connection is
implicit by the protocol being HTTP/1.1.

"Connection: keep-alive" is keep-alive of a HTTP/1.0+ style persistent
web server connection. HTTP/1.0+ defines different signaling for web
servers and proxies due to Connection not being an HTTP/1.0 header
making it likely proxies does not understand Connection: keep-alive.. A
client accepting "Connection: keep-alive" as keep-alive of a proxied
connection is broken not respecting the Netscape specifications for
keep-alive for HTTP/1.0.

Regards
Henrik