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Message-ID: <DF79BE12AF8DD344B107D0D03621E5750ED9AF@kermit.corp.hansenet.com> From: vogt at hansenet.com (vogt@...senet.com) Subject: AW: short Blaster propagation algorithm analysi s > "* It uses a "choose random IP, then scan sequentially from there" > algorithm" > > It is not always a random IP that is chosen. Each time a host > is infected, > there is a 40% chance that it will begin at the first address > of its "Class > C"-size subnet (x.x.x.0), and a 60% chance that it will start at a > completely random IP address with the last octet set to 0 > ([1-254].[0-253].[0-253].0). So it does have a local preference like the later CR. This does affect propagation speed, especially during the early phase. Thanks for the update, I'll see that I include it. Tom Vogt
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