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Turn off IPv6?
I've not yet upgraded to 10.3 - still running the ultra-stable 10.2.6, but does anyone know how to turn IPv6 off? I don't run it and don't need; IPv4 works just fine thank you.
Turn off IPv6?
Close your eyes and say "IPv6 is hereby off" three times.
Re: IPv4 "just fine"
It's people like you who stymie innovation in the computer realm. This "good enough" mentality is why people write crap HTML--IE can render it, so it's "good enough".
Re: IPv4 "just fine"
bmerlin: I think your remarks are uncalled for. I posted a comment asking how to turn-off IPv6. I would expect comments along the lines of "you can't turn it off", or "your system will not boot if you do", or "here's how...", or even "you shouldn't do it because..". But your jump to the broad conclusion that I'm stymying innovation because I ask this question is not reasonable or productive IMHO.
You say the technical improvements (of IPv6) will greatly benefit the internet, and by abstraction myself, but you fail to list them. Tell me what they are and how I will benefit from using them; I may decide to use IPv6 but you fail to provide me any convincing reason to do so. I think you would do best to understand me and what I do much, much more before jumping to any conclusions, let alone ones about my mentality. Just the tip of the iceberg so to speak, is that I compile and install from source the latest versions of Apache, php, mySQL, Cyrus-SASL, Mozilla, Sendmail, and many others including Darwin as well. And when I code webpages I do use XHTML and CSS 2 as well. I mention this information, although I believe it to be irrelevant to my question, to show again that your ad hominem attack is without merit. If you don't like what I said, please present a good argument about why what I said is wrong and/or suggest something better. To make unsubstantiated and denigrating remarks about me, based on one question, is again uncalled for. //brian ---
Re: IPv4 "just fine"
At the risk of encouraging more 'flamage,' - Well put. For the most part, I frequent this website because of it's educational and useful collective knowledge. I visit no blogs and the like, because frankly, I don't need to know a stranger's heated opinions.
Re: IPv4 "just fine"
A little Googling answers your questions;
Turn off IPv6?
Why would you want to turn off IPv6? There's virtually no overhead involved--it certainly doesn't bog down your computer, anyway. If anything, I'm no network engineer, but I've heard the routing algorithms are supposed to be more efficient under IPv6 than IPv4--though I don't think it'll affect anything on the computer end.
Turn off IPv6?
I've heard the routing algorithms are supposed to be more efficient under IPv6 than IPv4 IPv6 might be more efficient for two reasons, one is there is a lot more address space so each ISP gets very huge blocks of space, enough that you can probably just say "if the top X bits look like this then the packet goes to ISP Y" (one bit masking, and one table lookup, in a "not too big table" even). Two is IPv6 in theory makes it easyish to change IP addresses, so IP address space in v6 is not portable (because the costs of being "not portable" have been significantly reduced). With IPv4 there is no easy test you can do as an ISP to see who an IP address belongs to. You end up with giant tables and lots of work doing lookups in them (unless someone has a 30 bit CAM...). In theory this will not be needed in IPv6. Two things gum up the works. Multihomed hosts which are computers with internet service from more then one ISP. Many of these hosts want to use one IP address for all the connections so that things connecting to them (say web browsers) can get the best route to the address rather then randomly picking an address and maybe sending packets to another ISP when they actually share ISPs with the web server! Or picking an address at random and getting a timeout because that ISP has a hardware failure (multi homed hosts normally have more then one ISP both for more bandwidth and for increased reliability). The other is people may force the "not portable" issue because while it is easier to change IPv6 addresses then IPv4 it is still easier to not change the address and insist that is someone else's problem. Only time will tell if IPv6 can stay more easily routable. Of corse if it won't it is more trouble then IPv4 to route. There isn't really a better way to have more addresses though. Unless maybe you buy into PIP (one of the other proposals for "IPng", which is what IPv6 was called while it was still in the design stage as opposed to the long slow deployment stage) |
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