Okay, here is the problem as I see it:
The algorithm is deterministic - know exactly what it will do next and what conditions
are present at any given point in time.
The overall result is not. It is probabilitic, and the probalilities are 1:2^128 or
something of that order, but still, there is
> And don't ask me to produce an example, because I do understand
> "astronomical". But if you had a heart pacemaker whose operation
> depended on appropriate updates to a control data file, would you trust
> rsync to send that file update to the pacemaker?
0_0" <= REALLY astonished face
Do you
". But if you had a heart pacemaker whose operation
depended on appropriate updates to a control data file, would you trust
rsync to send that file update to the pacemaker?
- Original Message -
From: Martin Pool <[EMAIL PROTECTED]>
To: Berend Tober <[EMAIL PROTECTED]>
Subje
Martin Pool [[EMAIL PROTECTED]] writes:
> To put it in simple language, the probability of an file transmission
> error being undetected by MD4 message digest is believed to be
> approximately one in one thousand million million million million
> million million.
I think that's one duodecillio
on at work as with ftp and cp, but the
> algorithm itself introduces non- determinism.
You are using the word "non-deterministic" in a way at odds with its
usual meaning in computer science.
> 1 definition found
> From The Free On-line Dictionary of Computing (13 Mar 01) [fo
06:52 AM
To: [EMAIL PROTECTED]
cc: (bcc: Tim Conway/LMT/SC/PHILIPS)
Subject:Non-determinism
Classification:
Is anyone else concerned about the fact that rsync doesn't guarantee
to produce identical file copies on the the target machine?
Don&#
On 17 Apr 2002 at 13:46, David Bolen wrote:
> Berend Tober [[EMAIL PROTECTED]] writes:
>
> > That was my point about comparing rsync to sending the entire file
> > using say, ftp or cp. ...
>
> Except of course that rsync uses its own final checksum ...
>
> ...so one could argue it's
> actuall
reliable copy. So while the
> software algorithm of ftp and cp are deterministic, there must be
> some quantifiable probablity of failure non-the-less. The difference
> with rsync is that not only are the same effects of data corruption
> at work as with ftp and cp, but
