[ietf78-tech] Algorithm for RegID

[Matt Larson]

Fine with me, and quite similar to what we discussed on the video chat.  I will implement this for IETF79.

Matt

On Jul 30, 2010, at 8:57 AM, Jim Martin wrote:

> Matt,
> 	Ok, I talked to folks, including Russ, and here's our thought. 
> 
> 	As I understand it now, we have XXYYYYRRRR, where XX is meeting number, YYYY is the serialized registrant number, and then RRRR is a random number. 
> 
> 	For Beijing, our thought was to make is XXYYYYRRRC where the difference "RRRC" is a 3 digit random, plus a check digit. The check digit would be computed by summing the first 9 digits and then using the ones column (ie, modulo 10) of the resulting number as the check.
> 
> 	The idea is that you could throw away a "bad" regid without a database lookup.
> 
> 	Does that work for you?
> 
> 	Thanks!
> 
> 	- Jim
> 

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Matthew Larson, Asst. IT Director
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