Received: from sog-mx-3.v43.ch3.sourceforge.com ([172.29.43.193] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Yz5QD-0001QG-1E for bitcoin-development@lists.sourceforge.net; Sun, 31 May 2015 15:45:09 +0000 Received: from mail-wg0-f52.google.com ([74.125.82.52]) by sog-mx-3.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1Yz5QB-0001tE-Rt for bitcoin-development@lists.sourceforge.net; Sun, 31 May 2015 15:45:09 +0000 Received: by wgbgq6 with SMTP id gq6so96471091wgb.3 for ; Sun, 31 May 2015 08:45:01 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:mime-version:in-reply-to:references:date :message-id:subject:from:to:cc:content-type; bh=k071dSDuM2Jz3OnniqxDrVuiAskS4MlRLBmwcORVTS0=; b=GDqfkaMdEM242VY3qjAvgl3/WcZBndyjaCtmqWRPGeuGE7/vmGunMR8UgdX1g6HYbh arEa3j5WekzmT1UbNN950m2IoSjy6jiyoNLjWPz7V0LVrAkDs6qCC4FKlrV8vYoa6/0T IdoyraVDaT7AXGo1qkqIODyxYwdEroBbTvqNzDs+GBt0Z5QFoVM/9n9UJiA4kXWAgRtG wh+eFp3pEqh2wIVLdr/3/czjaV2W6hAe9r3PbiU74qaCbZ7hO1lTSJd+GRkpsHZMy5WR X8ejqwShK45BWxyNN1A4TYAXcN1lQWMiaRyjXbRkt48z20Cu68v85kJfxs51eV/l+EOl wPew== X-Gm-Message-State: ALoCoQmWusjrbmnDlyR+CSCkGiZx12+BZEAl8nv7I9tWMpRJtqvW8WWc08OWmUEREC+JZPKn7FNS MIME-Version: 1.0 X-Received: by 10.194.60.164 with SMTP id i4mr33470058wjr.133.1433087101823; Sun, 31 May 2015 08:45:01 -0700 (PDT) Received: by 10.194.139.235 with HTTP; Sun, 31 May 2015 08:45:01 -0700 (PDT) Received: by 10.194.139.235 with HTTP; Sun, 31 May 2015 08:45:01 -0700 (PDT) In-Reply-To: References: <554BE0E1.5030001@bluematt.me> <5568F567.3050608@bluematt.me> <556A1046.50807@bluematt.me> Date: Sun, 31 May 2015 17:45:01 +0200 Message-ID: From: =?UTF-8?B?Sm9yZ2UgVGltw7Nu?= To: Gavin Andresen Content-Type: multipart/alternative; boundary=047d7ba97f1aa303510517629734 X-Spam-Score: 1.0 (+) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. 1.0 HTML_MESSAGE BODY: HTML included in message X-Headers-End: 1Yz5QB-0001tE-Rt Cc: Bitcoin Development Subject: Re: [Bitcoin-development] Block Size Increase Requirements X-BeenThere: bitcoin-development@lists.sourceforge.net X-Mailman-Version: 2.1.9 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 31 May 2015 15:45:09 -0000 --047d7ba97f1aa303510517629734 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On May 31, 2015 5:08 PM, "Gavin Andresen" wrote: > > On Sun, May 31, 2015 at 10:59 AM, Jorge Tim=C3=B3n wro= te: >> >> Whatever...let's use the current subsidies, the same argument applies, it's just 20 + 25 =3D 45 btc per block for miner B vs 27 btc for miner B. >> Miner B would still go out of business, bigger blocks still mean more mining and validation centralization > > Sorry, but that's ridiculous. > > If Miner B is leaving 18BTC per block on the table because they have bad connectivity, then they need to pay for better connectivity. Well, I was assuming they just can't upgrade their connection (without moving thei operations to another place). Maybe that assumption is ridiculous as well. > If you are arguing "I should be able to mine on a 56K modem connection from the middle of the Sahara" then we're going to have to agree to disagree. No, I'm not suggesting that. > So: what is your specific proposal for minimum requirements for connectivity to run a full node? The 20MB number comes from estimating costs to run a full node, and as my back-and-forth to Chang Wung shows, the costs are not excessive. Well, you were I think assuming a new desktop connecting from somewhere in the US. I would be more confortable with an eee pc from a hotel in India, for example. But yeah, targeting some concrete minimum specs seems like the right approach for deciding "how far to go when increasing centralization". But "hitting the limit will be chaos" seems to imply that completely removing the consensus maximum blocksize is the only logical solution. What happens when we hit the limit next time? When do we stop kicking the can down the road? When do we voluntarily get that "chaos"? Again, "that's too far away in the future to worry about it" is not a very conving answer to me. --047d7ba97f1aa303510517629734 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable


On May 31, 2015 5:08 PM, "Gavin Andresen" <gavinandresen@gmail.com> wrote:
>
> On Sun, May 31, 2015 at 10:59 AM, Jorge Tim=C3=B3n <jtimon@jtimon.c= c> wrote:
>>
>> Whatever...let's use the current subsidies, the same argument = applies, it's just 20 + 25 =3D 45 btc per block for miner B vs 27 btc f= or miner B.
>> Miner B would still go out of business, bigger blocks still mean m= ore mining and validation centralization
>
> Sorry, but that's ridiculous.
>
> If Miner B is leaving 18BTC per block on the table because they have b= ad connectivity, then they need to pay for better connectivity.

Well, I was assuming they just can't upgrade their conne= ction (without moving thei operations to another place). Maybe that assumpt= ion is ridiculous as well.

> If you are arguing "I should be able to mine on a = 56K modem connection from the middle of the Sahara" then we're goi= ng to have to agree to disagree.

No, I'm not suggesting that.

> So: what is your specific proposal for minimum requirem= ents for connectivity to run a full node? The 20MB number comes from estima= ting costs to run a full node, and as my back-and-forth to Chang Wung shows= , the costs are not excessive.

Well, you were I think assuming a new desktop connecting fro= m somewhere in the US. I would be more confortable with an eee pc from a ho= tel in India, for example. But yeah, targeting some concrete minimum specs = seems like the right approach for deciding "how far to go when increas= ing centralization".

But "hitting the limit will be chaos" seems to imp= ly that completely removing the consensus maximum blocksize is the only log= ical solution. What happens when we hit the limit next time? When do we sto= p kicking the can down the road? When do we voluntarily get that "chao= s"?
Again, "that's too far away in the future to worry about it" = is not a very conving answer to me.

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