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Brendan:

On Tue, 05 February 2002, Brendan Bispham wrote:

> Is the uuid affected by changing the ethernet local adaptor address? the
> reason I ask is I expect many adaptor addresses to have been changed to a
> common reverse-address like 00020000007 or something like that (remember
> them? - back when token ring was strategic)... so making uuid effectively
> useless..

'Useless' in what way? It should still be a 'unique identifier' which is its 
fundamental purpose. I guess I could imagine a small troublesome time window 
where two systems could be rapidly blasting out uuids concurrently during the 
time where adaptor addresses changed in such a way that the address of one 
briefly duplicated the address of the other and the two clocks were far enough 
out of sync; but a change of adaptor address implies possibly ending and 
restarting many services anyway and that can imply ending and restarting 
numerous applications.

If addresses don't overlap and clocks are reasonably maintained, there 
shouldn't be any problem.

Hmmm... "shouldn't"...?

Tom Liotta

--
Tom Liotta
The PowerTech Group, Inc.
19426 68th Avenue South
Kent, WA 98032
Phone  253-872-7788
Fax  253-872-7904
http://www.400Security.com


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