Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-4.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1WmMcd-0001IM-2C for bitcoin-development@lists.sourceforge.net; Mon, 19 May 2014 12:24:51 +0000 Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of gmail.com designates 209.85.215.51 as permitted sender) client-ip=209.85.215.51; envelope-from=bo.bjornsen@gmail.com; helo=mail-la0-f51.google.com; Received: from mail-la0-f51.google.com ([209.85.215.51]) by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128) (Exim 4.76) id 1WmMcb-0002ee-Vp for bitcoin-development@lists.sourceforge.net; Mon, 19 May 2014 12:24:51 +0000 Received: by mail-la0-f51.google.com with SMTP id gf5so3984703lab.38 for ; Mon, 19 May 2014 05:24:43 -0700 (PDT) X-Received: by 10.112.55.5 with SMTP id n5mr1571063lbp.71.1400502283384; Mon, 19 May 2014 05:24:43 -0700 (PDT) Received: from [172.17.3.20] ([109.247.232.34]) by mx.google.com with ESMTPSA id q8sm17624575lbr.28.2014.05.19.05.24.39 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 19 May 2014 05:24:40 -0700 (PDT) Message-ID: <5379F803.40509@gmail.com> Date: Mon, 19 May 2014 14:24:35 +0200 From: =?UTF-8?B?QmrDuHJuIMOYaXZpbmQgQmrDuHJuc2Vu?= User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 MIME-Version: 1.0 To: Mike Hearn References: <5379CE4D.5040100@gmail.com> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha512; protocol="application/pgp-signature"; boundary="oD5ql5LqSacGrNnReReFGb4kcAh255fjc" X-Spam-Score: -1.6 (-) 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 (bo.bjornsen[at]gmail.com) -0.0 SPF_PASS SPF: sender matches SPF record -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: 1WmMcb-0002ee-Vp Cc: Bitcoin Dev Subject: Re: [Bitcoin-development] About the small number of bitcoin nodes 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: Mon, 19 May 2014 12:24:51 -0000 This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --oD5ql5LqSacGrNnReReFGb4kcAh255fjc Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: quoted-printable On 19/05/14 14:15, Mike Hearn wrote: > As an interested party not intimately familiar with the bitcoin cod= ebase > who also spent some time setting up a node a while ago, I would lik= e to > add one thing to the above list - network rate limiting. >=20 >=20 > The problem is that this is easier said than done. Bitcoin Core won't > notice a remote peer is working but slow and switch to a faster one, an= d > even if it did, it'd just mean throttling your connection would cause > all remote nodes to give up and hit the other unthrottled peers even mo= re. >=20 Does this mean that you can currently actively hurt the network by adding a node with a very slow upstream / downstream? If so, what is the recommended minimum amount of bandwidth you should allocate for a node? I've already throttled mine with QoS based on the script in the contrib/ folder. Bj=C3=B8rn =C3=98ivind --oD5ql5LqSacGrNnReReFGb4kcAh255fjc Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.22 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iQIcBAEBCgAGBQJTefgHAAoJEL7WgfZSg+BMy0sP/30U2ce28L251PMEc2pC+qLP VvQftjQcuhvvoTdmelwRsXXk70sc6oJ8ovJmJ1GantmWfM5WXcdrkRemOc9vPKFC iMDQu3pW0TcR12nDsPK+DI60t/Otaika6kUgNZ072IhsOccYf6gOQyXwM1nGgQsJ nka6zYZiSvHUQoI9HqFK/+Ueg24a/+qNPtakbk1JbRTXumnvccP6Yg4nH/yLOQx/ GZjQ6yd4PxZIb2uHm7LrHUMwKQrvfr7NxvNHUN0rDA2Dmv/AlH57LdaQmpJj1EOX Vtez442qXG4ygrnbG41azMbBqUjF/Szovn3WOkV3h4qem4HpsVcintlfJJFALTGW 5twkqEY35WpjGlP/9LwqlX2hugzEOt8Y+D0vsmJumjImHFWL8u0M+NKdTXt5hHYR w7h3gZ3iFUm0RfeeniRxyCyPcEDLuCulbzxS505NcahSZnYBdJLhAT7at1YumaWm 8RO/xkuZgauMDY3EyM8pJBimTJvq5PgcmWQrcf0Cv67i9MBtAf3JhSOZtKuFLI4y 6qKT8NILjpqtxI2lHwnxfHoTIfqB1wFuM3MYCsRP9jTeUCCiL+gdtQBs5q0XV+GF 6nJGHQaBfWUf4Kfv2XQuXnwBknKHbxBsLMpmheTLaPA9vx4NUYgwhKJH3jMdnAM5 eJPHPXDHYwKaQpwhGeYW =gf/W -----END PGP SIGNATURE----- --oD5ql5LqSacGrNnReReFGb4kcAh255fjc--