Well, before we make any such drastic changes we need to sort out the
caching behaviour; it is probably wrong at the moment.

Is your node on 24x7?

On Wed, Jun 21, 2006 at 06:01:54PM +0200, 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 >>
> 
> 
> 
> 
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> 
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-- 
Matthew J Toseland - toad at amphibian.dyndns.org
Freenet Project Official Codemonkey - http://freenetproject.org/
ICTHUS - Nothing is impossible. Our Boss says so.
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