Odysseus <odysseus1479-at@yahoo-dot.ca> wrote in message news:<40726360.67268331@yahoo-dot.ca>...

zen0000 wrote:

I am studying scheduling scheme for distributed computing

and I have two question about data distribution in SETI@Home.

For one work unit, how many times is it sent?

And, before deleting one work unit in storage server,

how many results should be received? (i.e., redundancy level)

I believe you'll find those answers on the series of pages that
begins here:

<http://setiathome.ssl.berkeley.edu/about_seti/about_seti_at_home_1.html>.

I already read those pages but I couldn't find out the answer about my question.

And I also read the technical paper about SETI@Home 

"SETI@home: An Experiment in Public-Resource Computing"

in CACM magazine, but in that article they just said 

'Delete work units for which N results has been received'

and 

'Delete work units that have been sent M times'.

What is N and M?