📅 Original date posted:2015-05-26
📝 Original message:This is something you actually don't want. In order to make it as difficult
as possible for an attacker to perform a sybil attack, you want to choose a
set of peers that is as diverse, and unpredictable as possible.
On Mon, May 25, 2015 at 9:37 PM, Matt Whitlock <bip at mattwhitlock.name>
wrote:
> 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.*
>
>
> ------------------------------------------------------------------------------
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Kevin Greene [ARCHIVE] /
npub1l3…hwq5p
2023-06-07 15:35:35
in reply to nevent1q…g2d4
Author Public Key
npub1l3sj8amnurgf3cu3p2hhcaham90khafc4vgsmymqdnn0k3kanulsghwq5pPublished at
2023-06-07 15:35:35Event JSON
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"content": "📅 Original date posted:2015-05-26\n📝 Original message:This is something you actually don't want. In order to make it as difficult\nas possible for an attacker to perform a sybil attack, you want to choose a\nset of peers that is as diverse, and unpredictable as possible.\n\n\nOn Mon, May 25, 2015 at 9:37 PM, Matt Whitlock \u003cbip at mattwhitlock.name\u003e\nwrote:\n\n\u003e This is very simple to do. Just ping the \"all nodes\" address (ff02::1) and\n\u003e try connecting to TCP port 8333 of each node that responds. Shouldn't take\n\u003e but more than a few milliseconds on any but the most densely populated LANs.\n\u003e\n\u003e\n\u003e On Monday, 25 May 2015, at 11:06 pm, Jim Phillips wrote:\n\u003e \u003e Is there any work being done on using some kind of zero-conf service\n\u003e \u003e discovery protocol so that lightweight clients can find a full node on\n\u003e the\n\u003e \u003e same LAN to peer with rather than having to tie up WAN bandwidth?\n\u003e \u003e\n\u003e \u003e I envision a future where lightweight devices within a home use SPV over\n\u003e \u003e WiFi to connect with a home server which in turn relays the transactions\n\u003e \u003e they create out to the larger and faster relays on the Internet.\n\u003e \u003e\n\u003e \u003e In a situation where there are hundreds or thousands of small SPV devices\n\u003e \u003e in a single home (if 21, Inc. is successful) monitoring the blockchain,\n\u003e \u003e this could result in lower traffic across the slow WAN connection. And\n\u003e \u003e yes, I realize it could potentially take a LOT of these devices before\n\u003e the\n\u003e \u003e total bandwidth is greater than downloading a full copy of the\n\u003e blockchain,\n\u003e \u003e but there's other reasons to host your own full node -- trust being one.\n\u003e \u003e\n\u003e \u003e --\n\u003e \u003e *James G. Phillips IV*\n\u003e \u003e \u003chttps://plus.google.com/u/0/113107039501292625391/posts\u003e\n\u003e \u003e \u003chttp://www.linkedin.com/in/ergophobe\u003e\n\u003e \u003e\n\u003e \u003e *\"Don't bunt. Aim out of the ball park. Aim for the company of\n\u003e immortals.\"\n\u003e \u003e -- David Ogilvy*\n\u003e \u003e\n\u003e \u003e *This message was created with 100% recycled electrons. Please think\n\u003e twice\n\u003e \u003e before printing.*\n\u003e\n\u003e\n\u003e ------------------------------------------------------------------------------\n\u003e One dashboard for servers and applications across Physical-Virtual-Cloud\n\u003e Widest out-of-the-box monitoring support with 50+ applications\n\u003e Performance metrics, stats and reports that give you Actionable Insights\n\u003e Deep dive visibility with transaction tracing using APM Insight.\n\u003e http://ad.doubleclick.net/ddm/clk/290420510;117567292;y\n\u003e _______________________________________________\n\u003e Bitcoin-development mailing list\n\u003e Bitcoin-development at lists.sourceforge.net\n\u003e https://lists.sourceforge.net/lists/listinfo/bitcoin-development\n\u003e\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20150525/1324d033/attachment.html\u003e",
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