Y2K serial number question

Barry Margolin barmar at bbnplanet.com
Tue Jan 11 18:02:54 UTC 2000


In article <387B4B9E.7472EABD at sofgry.com>,
Gray Abbott  <gray at sofgry.com> wrote:
>I always thought that the serial number had to actually *increase* to
>be recognized as updated.  The named man page says it has to "change".
>Is this right?  Does any change, up or down, work?  (If so, why didn't
>my overflowed version count as a change?)

It has to increase, not decrease.  As a complication, it uses "serial
number arithmetic" to allow for wraparound when ordinary incrementing
actually reaches the maximum value (see RFC 1982 for details of this, I'm
not going to go into it in detail here).

-- 
Barry Margolin, barmar at bbnplanet.com
GTE Internetworking, Powered by BBN, Burlington, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
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