I recently created this chart https://i.imgur.com/sotmB.png (y: seconds, x: blocks)
Maybe it's something you could add to your site? It might be useful to detect irregular timestamps.
Topic: Bitcoin p2p Network Status Charts. - page 3. (Read 10788 times)
I think that the chances are these charts are overestimates of number of hosts rather than underestimates.
We did a simulation of the whole network to prove that the methodology was correct:
https://github.com/n1bor/bitcoin-simulation
But if someone downloads the client, runs it for 5 mins then loses interest and shuts it down we will count them as a host for the following 24 hours.
For the estimate of the number of hosts that are listening though these charts underestimate. As by default hosts are limited to 125 connections, and when that is full they will not accept any more. As such in the total of listening hosts we will not include them once they reach the 125 as we can not connect. Currently if you leave a host running it seems to reach 125 connections after about 1 week - not sure what to conclude from this though.
Regarding the "other" countries these are just a long list of other countries. When I get a chance I will add a table to the site that lists them all and their last number of hosts connected.
We did a simulation of the whole network to prove that the methodology was correct:
https://github.com/n1bor/bitcoin-simulation
But if someone downloads the client, runs it for 5 mins then loses interest and shuts it down we will count them as a host for the following 24 hours.
For the estimate of the number of hosts that are listening though these charts underestimate. As by default hosts are limited to 125 connections, and when that is full they will not accept any more. As such in the total of listening hosts we will not include them once they reach the 125 as we can not connect. Currently if you leave a host running it seems to reach 125 connections after about 1 week - not sure what to conclude from this though.
Regarding the "other" countries these are just a long list of other countries. When I get a chance I will add a table to the site that lists them all and their last number of hosts connected.
Wow, great charts.
I have a few questions:
How close do you think the total 60k hosts is to the actual number of hosts. Is it even possible to be certain that you counted the vast majority (ie. 99%) of active hosts?
In the chart depicting the number of hosts in each country, you list "other" as a category. Does this category of around 10,500 hosts consist of other countries and unknown locations or just other countries?
I have a few questions:
How close do you think the total 60k hosts is to the actual number of hosts. Is it even possible to be certain that you counted the vast majority (ie. 99%) of active hosts?
In the chart depicting the number of hosts in each country, you list "other" as a category. Does this category of around 10,500 hosts consist of other countries and unknown locations or just other countries?
Quite a difference between these numbers and the stats here: http://smsz.net/btcStats/accepting
https://en.bitcoin.it/wiki/Bitcoin_Map
https://en.bitcoin.it/wiki/Bitcoin_Map
Yes a big difference. What I did notice was reading the wiki entry it says:
Quote
It represent the total number of unique IPs seen within the last 3 hours on the network.
This would explain it as hosts only transmit their address every 24 hours. However in reality it is a lot more often than that as they are relayed, hosts stop and start etc... So monitoring over a 3 hour window instead of the 24 hour that we do could easily explain the difference.
But as it is a decentralised network nobody can be totally sure who is right!
nice!
can you aggregate the data for the countries?
the graph is barely readable and the big "other" is a little ackward.
how about continents? or at least join countries into somewhat bigger entities.
can you aggregate the data for the countries?
the graph is barely readable and the big "other" is a little ackward.
how about continents? or at least join countries into somewhat bigger entities.
These graphs are great! Keep up the good work.
Quite a difference between these numbers and the stats here: http://smsz.net/btcStats/accepting
https://en.bitcoin.it/wiki/Bitcoin_Map
https://en.bitcoin.it/wiki/Bitcoin_Map
Thanks for the much needed metrics! It will be interesting and fun to watch them grow over time.
cool stuff!
Very nice. Now all that is needed is an IP map like http://nsa.unaligned.org/ or http://xkcd.com/195/
EDIT: Actually you kind of have that covered by the country graphs. Great stuff, will be very interesting to watch over the coming months and years. Sent a donation.
EDIT: Actually you kind of have that covered by the country graphs. Great stuff, will be very interesting to watch over the coming months and years. Sent a donation.
Whether mining rigs show up is determined by whether they are running a bitcoin client that is connected to the main p2p network. If they are then it will if not it will not.
If you have multiple clients behind one NAT router they will show up as one in my stats.
Thanks for the interest. Will be interesting in a few months time to see how the charts trend and whether the number of hosts and the exchange rate have any correlation!
Does a mining rig count as a node? Also if there are multiple bitcoiners in a household where they share an IP does that show up as one or multiple nodes?
Wow, 60k nodes. Thanks for putting up the site. Nice job.
great job!
We have just launched a new website that monitors the health and status of the Bitcoin P2P network.
There are an assortment of charts that show for example the number of hosts, messages per hour etc.. over time. We are collecting statistics on 10 metrics at the moment and have plans to add to them. We have only been collecting data for a few days, but over time it will become a valuable tool.
Website is at:
http://bitcoinstatus.rowit.co.uk
Any comments welcome.
Thanks
RowIT Ltd.
Examples of charts are:
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