This is very simple to do. Just ping the "all nodes" address (ff02::1) and try connecting to TCP port 8333 of each node that responds. Shouldn't take but more than a few milliseconds on any but the most densely populated LANs.
On Monday, 25 May 2015, at 11:06 pm, Jim Phillips wrote: > Is there any work being done on using some kind of zero-conf service > discovery protocol so that lightweight clients can find a full node on the > same LAN to peer with rather than having to tie up WAN bandwidth? > > I envision a future where lightweight devices within a home use SPV over > WiFi to connect with a home server which in turn relays the transactions > they create out to the larger and faster relays on the Internet. > > In a situation where there are hundreds or thousands of small SPV devices > in a single home (if 21, Inc. is successful) monitoring the blockchain, > this could result in lower traffic across the slow WAN connection. And > yes, I realize it could potentially take a LOT of these devices before the > total bandwidth is greater than downloading a full copy of the blockchain, > but there's other reasons to host your own full node -- trust being one. > > -- > *James G. Phillips IV* > <https://plus.google.com/u/0/113107039501292625391/posts> > <http://www.linkedin.com/in/ergophobe> > > *"Don't bunt. Aim out of the ball park. Aim for the company of immortals." > -- David Ogilvy* > > *This message was created with 100% recycled electrons. Please think twice > before printing.* ------------------------------------------------------------------------------ One dashboard for servers and applications across Physical-Virtual-Cloud Widest out-of-the-box monitoring support with 50+ applications Performance metrics, stats and reports that give you Actionable Insights Deep dive visibility with transaction tracing using APM Insight. http://ad.doubleclick.net/ddm/clk/290420510;117567292;y _______________________________________________ Bitcoin-development mailing list Bitcoin-development@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/bitcoin-development
