nanog mailing list archives

Re: Slashdot: Providers Ignoring DNS TTL?


From: Dean Anderson <dean () av8 com>
Date: Fri, 22 Apr 2005 23:20:04 -0400 (EDT)


On Wed, 20 Apr 2005, Patrick W. Gilmore wrote:


On Apr 20, 2005, at 3:29 PM, Dean Anderson wrote:

Or don't.  No one here cares if you do.  Reality trumps lab tests.

"Reality" for the last ten years has been that no one did either  
PPLB or
TCP DNS. That reality is changing. It'll probably start to change  
faster,
sooner. Then, users will start to notice the problems.

People have been using TCP applications on anycast for at least a  
decade, as I mentioned before.  Since DNS responses tend to be very  
short lived TCP session, it seems to me that if it works for other  
applications (e.g. HTTP), it should work for DNS.

Its funny how I give you TWO conditions, and you ignore one of them. I'll 
try to use little tiny baby words:

    TCP Anycast does NOT work with PPLB (Per - packet - load - balancing) 
    Say it slowly several times.


Either way, reality still trumps lab tests, or mailing lists posts.   
Since it has worked, and continues to work, in _THE REAL WORLD_ for  
TCP applications much longer lived than DNS, I suggest that your  
assertion that "users will start to notice the problems" is  
incorrect.  Of course, time will tell which of us is correct.

Maybe I'm insane.  Or maybe you are.   Although I think time has  
already told which of us is....

Yes, indeed, it has.  I've been vindicated on a number of issues on a 
number of subjects. You?

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