With a node up 7x24 I am currently seeing .35 variation in location on a daily basis. I have 8-10 connected peers.
Ed On Wednesday 21 June 2006 12:01, Ruud Javi wrote: > >Is there a serious problem with node location stability? Oskar's > >simulations suggest not. Anything which impacts location swapping will > >need to be simulated, of course. > > Well... I can only talk for myself, but my own node's location is changing > often to total different values. Yesterday I was at about 0.4 and at this > moment I am around 0.1 . Note that I did not add or remove peers in between. > With the size of the current network, I think that a change of about 0.3 is > extremely big and unwanted. > > Anyway, I am unsure how serious this problem is. So far, I am able to > retrieve all Freesites inside Freenet .7 , also old ones. Maybe when the > network grows, it's harder to find keys and it does seems to be a serious > problem. > > > > >My main concern with treating offline nodes as online for purposes of > >swapping is that swaps cannot involve those offline nodes; they are > >static for the period while they are offline, this may not be good for > >location swapping. > > Agreed on. Most optimistic view against that is that when the node comes > back on he will have the same location. If a swap occurs, no matter how you > treat off-line nodes, the effect for the offline node is none untill it gets > back on. > > As long as we will not have much DNF's, as told above, this is probably not > an issue. > > > > > >On Wed, Jun 21, 2006 at 04:25:40PM +0200, Ruud Javi wrote: > > > The following text is describing a way to have a more stable node > >location, > > > by treating temporary offline nodes as online nodes. > > > > > > The location of your node is depending on your neighbors. If your > > > neighbor?s locations are all around 0.5, then your node will also try to > > > get a location close to 0.5 > > > > > > When somebody is inserting content into Freenet, specific keys will go > >to > > > specific locations. Others are able to retrieve this content as long as > > > your node is at that location (or close). For that reason it?s a good > >thing > > > if a node would stay at a specific location. > > > > > > If the network is stable, no location-swaps would occur. The network > >would > > > not be stable if nodes join the network or leave the network. This can > >be > > > as well temporary (non 24/7 nodes) or permanent (nodes joining/leaving). > > > > > > Against permanent changes is not that much possible; when new nodes > >arrive > > > it is necessary that this has an effect on node locations. > > > > > > Against temporary changes we can do something. If a neighbor of you > >would > > > go offline (bedtime), your node would choose another location, as most > > > optimal. Instead of this your node could just treat the offline node as > >an > > > online node for some time (perhaps 24 hours). Of course your node could > >not > > > change the location with an offline node, but it could decide not to > >change > > > location with an online node. The idea is that once the offline node > >would > > > come back online, you would want your old location back. > > > > > > In this way your node?s location would most probably be more stable as > >the > > > current situation. > > > > > > Last questions: > > > - Is a more stable node location a big advantage? > > > - Will routing be worse if a lot of your neighbors are temporary > > > offline and you would not change node location? > >-- > >Matthew J Toseland - toad at amphibian.dyndns.org > >Freenet Project Official Codemonkey - http://freenetproject.org/ > >ICTHUS - Nothing is impossible. Our Boss says so. > > > ><< signature.asc >> > > > > > >_______________________________________________ > >Devl mailing list > >Devl at freenetproject.org > >http://emu.freenetproject.org/cgi-bin/mailman/listinfo/devl > > _________________________________________________________________ > MSN Search, for accurate results! http://search.msn.nl > > _______________________________________________ > Devl mailing list > Devl at freenetproject.org > http://emu.freenetproject.org/cgi-bin/mailman/listinfo/devl > >
