From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sog-mx-4.v43.ch3.sourceforge.com ([172.29.43.194] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1Z3Tew-00051g-AP for bitcoin-development@lists.sourceforge.net; Fri, 12 Jun 2015 18:26:30 +0000 Received-SPF: pass (sog-mx-4.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.160.176 as permitted sender) client-ip=209.85.160.176; envelope-from=pieter.wuille@gmail.com; helo=mail-yk0-f176.google.com; Received: from mail-yk0-f176.google.com ([209.85.160.176]) by sog-mx-4.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1Z3Tev-0003nW-KN for bitcoin-development@lists.sourceforge.net; Fri, 12 Jun 2015 18:26:30 +0000 Received: by ykfl8 with SMTP id l8so21477999ykf.1 for ; Fri, 12 Jun 2015 11:26:24 -0700 (PDT) MIME-Version: 1.0 X-Received: by 10.170.212.3 with SMTP id d3mr20412031ykf.69.1434133584176; Fri, 12 Jun 2015 11:26:24 -0700 (PDT) Received: by 10.37.93.67 with HTTP; Fri, 12 Jun 2015 11:26:23 -0700 (PDT) Received: by 10.37.93.67 with HTTP; Fri, 12 Jun 2015 11:26:23 -0700 (PDT) In-Reply-To: References: Date: Fri, 12 Jun 2015 20:26:23 +0200 Message-ID: From: Pieter Wuille To: Mike Hearn Content-Type: multipart/alternative; boundary=001a1139f386d86e7b0518563e01 X-Spam-Score: -0.6 (/) X-Spam-Report: Spam Filtering performed by mx.sourceforge.net. See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain 0.0 FREEMAIL_FROM Sender email is commonly abused enduser mail provider (pieter.wuille[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record 1.0 HTML_MESSAGE BODY: HTML included in message -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1Z3Tev-0003nW-KN Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] Mining centralization pressure from non-uniform propagation speed 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: Fri, 12 Jun 2015 18:26:30 -0000 --001a1139f386d86e7b0518563e01 Content-Type: text/plain; charset=UTF-8 I'm merely proving the existence of the effect. On Jun 12, 2015 8:24 PM, "Mike Hearn" wrote: > are only connected to each other through a slow 2 Mbit/s link. >> > > That's very slow indeed. For comparison, plain old 3G connections > routinely cruise around 7-8 Mbit/sec. > > So this simulation is assuming a speed dramatically worse than a mobile > phone can get! > --001a1139f386d86e7b0518563e01 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable

I'm merely proving the existence of the effect.

On Jun 12, 2015 8:24 PM, "Mike Hearn" = <mike@plan99.net> wrote:
are only connected to each other through = a slow 2 Mbit/s link.

That's very slow indeed. For comparison, plain old 3G connection= s routinely cruise around 7-8 Mbit/sec.

So this si= mulation is assuming a speed dramatically worse than a mobile phone can get= !
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