On Tuesday 15 September 2009 01:51:32 Evan Daniel wrote: > On Mon, Sep 14, 2009 at 3:29 PM, Evan Daniel <evanbd at gmail.com> wrote: > > There are several confounding factors. ?First, the data aren't > > independent; there should be local clustering, and I seem to have > > double-counted the links to my node (18 out of 353 data points) (links > > between my peers would also be double-counted, but there don't appear > > to be any). ?Second, there's the bandwidth issue: some of my peers are > > faster than others, as can be seen from their varied number of FOAF > > locations. ?Peers with more FOAF locations will receive more traffic, > > in (rough) proportion to the number of FOAF locations they have. ?I'm > > uncertain how the link length distribution should respond; perhaps a > > link to a peer should be counted n times, where n is the number of > > FOAF locations it advertises? ?Or perhaps not; figuring that out would > > take some theoretical work I haven't done. ?On average, across a large > > number of nodes / links, that effect should go away. ?Third, we must > > be wary of observer bias: nodes that connect to other nodes are more > > likely to be observed by a random sample of nodes. ?This will impact > > FOAF link length counting, but not local link length counting. > > Sorry, there are some inaccuracies above: > My node had 16 peers in that dataset (not 18). There are 33 duplicate > locations in the full listing. 15 of those represent duplicates of my > node's location. The remaining 18 are repeated counts of nodes other > than mine: either my node connected to nodes A and B, which are > connected to each other (and therefore each counted twice), or my node > connected to nodes A and B, both of which are connected to a common > node C (which isn't connected to my node).
So some of your peers *do* connect to each other? -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 835 bytes Desc: This is a digitally signed message part. URL: <https://emu.freenetproject.org/pipermail/devl/attachments/20090916/af729f74/attachment.pgp>
