overlapping key's

From: John Matus (john_matus@hotmail.com)
Date: Tue May 31 2005 - 16:17:59 GMT-3


when you are faced with a situation of needing to age out one key while
validating a new key, let's say by 1/2 hour, or from 5 - 5:30

would you set the send keys to stop sending @ 5pm and set the recieve keys
to stop reciving @ 5:30 on the old key
and set the new key to send @ 5:30 and recieve @ 5:30

or

would you set set both the send and recieve time of the old key to 5:30 and
set both the send and recieve time of the new key to kick in @ 5:00 pm

i'm guessing it's more like the last but i'm not sure if there is another
staggering algorithm that is preferable.....

TIA



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