[Dshield] Possible solution for ISP (was DShield's public goals)

Valdis.Kletnieks@vt.edu Valdis.Kletnieks at vt.edu
Fri Jan 13 10:58:13 GMT 2006


On Thu, 12 Jan 2006 11:07:28 CST, Laura Vance said:

> Actually it only blocks for those on the infected ISP *if* the other 
> ISPs do use the ISP block as a means to convince the other ISPs to 
> follow suit.

So this works just great if 99% of the ISPs are participating.

How well does this work if only 25% are participating?  They just cut
themselves off from the 75% of the non-participants....

This is known as a "bootstrap problem" - any scheme that provides a negative
benefit until an overwhelming majority deploy it will not deploy in the real
world, because no provider wants to take the hit of being in the first 10%,
or 25%, or 60% of sites to deploy....

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