North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical RE: IPv6 vs IPv4 (Re: Sprint NOC? Are you awake now?)
-----BEGIN PGP SIGNED MESSAGE----- Jared Mauch wrote: > (btw, for those of you who think that IPv6 isn't in use, you may now > safely ignore this thread). Then I will safely respond to it in that case ;) > On Tue, Sep 02, 2003 at 04:34:18PM -0400, Nenad Pudar wrote: > > My enviroment is far to be broken my friend. > > This is not question about me or my environoment this question about > > your site ,I can always mange to get such a sites if I want but I am not > > sure that some other people are even awre what the problem is. > > I think that still majority of ipv6 connections is through 6 bone and > > there you do have a latency and > > evrybody using the same dns for ipv4 and ipv6 should re-think it over I think you should rather paste some traceroutes or use GRH to find out where the problem is. Check http://www.sixxs.net/tools/grh/ for some nice diagnostic tools. And you might want to read Minimal IPv6 Peering by Robert Kie�ling: http://ip6.de.easynet.net/ipv6-minimum-peering.txt > i would say that I serve a moderate number of web pages > a day off my web server. (warning, big!) here are some > statistics: http://puck.nether.net/stats.html > > this is the first complaint i've received of accessing > puck via ipv6 (aside from when i was running a buggy kernel that would > cause it to stop responding to the v6 address periodically). <SNIP> And it works fine here behind 6bone and RIPE space. (Oh and yes this mail should reach puck over IPv6 :) I do have to note that there is quite a big amount of latency at least from Intouch: 2001:418::/32 2001:6e0::2 8954 33 2914 7 2001:418:3f4:0:2a0:24ff:fe83:53d8 (2001:418:3f4:0:2a0:24ff:fe83:53d8) 327.307 ms 308.8 ms 308.631 ms BIT on the other hand as a direct link to Verio... 2001:418::/32 > 2001:7b8::290:6900:1cc6:d800 12859 2914 6 2001:418:3f4:0:2a0:24ff:fe83:53d8 146.572 ms 298.737 ms 146.726 ms 13 puck.nether.net (204.42.254.5) 144.612 ms 146.984 ms 129.067 ms Almost the same latency :) > Either that, or ifconfig down your ipv6 interface or remove > the autoconf from your machine as necessary until you have a chance > to test it. In the mean time, you can visit the webpage here: > http://204.42.254.5/netops/ I try to always use / referencing > urls, so it should work just fine for you. If you notice a url > that does not just reference /, please let me know. A smallish hint here: $ORIGIN example.com. www AAAA 2001:db8::1 A 10.100.13.42 www.ipv6 AAAA 2001:db8::1 www.ipv4 A 10.100.13.42 This way one always has a "forced" fallback to a certain service Though for HTTP one prolly has to add them to the virtual hosts. Internet Explorer tends to nicely fall back from IPv6 to IPv4 after a certain timeout depending on how fast an icmp unreach comes back etc and prolly other factors. I haven't tested it with the new Opera 7.20b on Windows though which btw does IPv6 ;) I also don't know how Mozilla handles it as it doesn't do IPv6 on Windows... and I have no X box to test it at this moment... Greets, Jeroen -----BEGIN PGP SIGNATURE----- Version: Unfix PGP for Outlook Alpha 13 Int. Comment: Jeroen Massar / [email protected] / http://unfix.org/~jeroen/ iQA/AwUBP1Ug1imqKFIzPnwjEQKeMgCeIAcj8vDU7KnvLo7kiEz9fBhjXWUAnA9G GItH+RCakIiTVYE8SZ2M9VYv =ZA0L -----END PGP SIGNATURE-----
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