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Re: bad httplib latency due to IPv6 use

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Date Wed, 17 Oct 2012 11:58:23 +0200
From Laszlo Nagy <gandalf@shopzeus.com>
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To Hans Mulder <hansmu@xs4all.nl>, python-list@python.org
Subject Re: bad httplib latency due to IPv6 use
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Xref csiph.com comp.lang.python:31492

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>> What I'm wondering is this:
>> 1. The server only serves on IPv4, changing this to IPv6 would probably
>> help. However, I wouldn't consider this a bug, or?
> I'd say it's a bug in your TCP/IP stack.  An IP shouldn't take that long
> to figure out that it is not configured to connect to IPv6 addresses.
It might also be, that he has a firewall installed that is blocking 
access to ::1. In that case, it takes much more time to figure out that 
you cannot connect. Because in that case, it is not a "connection 
refused" problem, but a "trying to connect to a closed/not responding 
port" problem.

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Thread

bad httplib latency due to IPv6 use Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-10-17 09:55 +0200
  Re: bad httplib latency due to IPv6 use Hans Mulder <hansmu@xs4all.nl> - 2012-10-17 11:37 +0200
    Re: bad httplib latency due to IPv6 use Chris Angelico <rosuav@gmail.com> - 2012-10-17 20:44 +1100
    Re: bad httplib latency due to IPv6 use Laszlo Nagy <gandalf@shopzeus.com> - 2012-10-17 11:58 +0200
  Re: bad httplib latency due to IPv6 use Roy Smith <roy@panix.com> - 2012-10-17 08:17 -0400
  Re: bad httplib latency due to IPv6 use Ulrich Eckhardt <ulrich.eckhardt@dominolaser.com> - 2012-10-17 14:40 +0200
    Re: bad httplib latency due to IPv6 use Chris Angelico <rosuav@gmail.com> - 2012-10-18 00:32 +1100
    Re: bad httplib latency due to IPv6 use Roy Smith <roy@panix.com> - 2012-10-17 20:28 -0400
      Re: bad httplib latency due to IPv6 use Chris Angelico <rosuav@gmail.com> - 2012-10-18 14:42 +1100

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