refund mechanisms in charging

Craig Partridge (craig@NNSC.NSF.NET)
Tue, 26 Apr 88 09:30:10 -0400


    I suspect you can't permit a refund mechanism....

    Take the case of the 14 of 15 megabytes transferred.

    If I know that aborting a connection before all the data requested
has been passed then I can happily set up schemes with my friends to
pad all FTPable files with an extra few megabytes of junk. Then
we transfer our data, abort while the junk is being transferred,
and apply for a refund. Voila, free networking....

    I think the implication of this is that you'd have to certify
programs as not able to abuse the charging scheme this way before
you permitted a refund mechanism.


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