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 <jgarzik@bitpay.com>) id 1WmpYD-0005CA-N6
	for bitcoin-development@lists.sourceforge.net;
	Tue, 20 May 2014 19:18:13 +0000
Received-SPF: pass (sog-mx-1.v43.ch3.sourceforge.com: domain of bitpay.com
	designates 209.85.212.177 as permitted sender)
	client-ip=209.85.212.177; envelope-from=jgarzik@bitpay.com;
	helo=mail-wi0-f177.google.com; 
Received: from mail-wi0-f177.google.com ([209.85.212.177])
	by sog-mx-1.v43.ch3.sourceforge.com with esmtps (TLSv1:RC4-SHA:128)
	(Exim 4.76) id 1WmpYC-0002Vm-GD
	for bitcoin-development@lists.sourceforge.net;
	Tue, 20 May 2014 19:18:13 +0000
Received: by mail-wi0-f177.google.com with SMTP id f8so1524994wiw.10
	for <bitcoin-development@lists.sourceforge.net>;
	Tue, 20 May 2014 12:18:06 -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:from:date
	:message-id:subject:to:cc:content-type;
	bh=CbjHAjLmhkqDAi5xeznuZTeYTXQOOXzYw/mH/bUrGfQ=;
	b=AWrG9Ubp/X3xlrU8uo83uyRk+VQUV+Rnzx+SUCKuCsQ2mC3LEVAmeLGCYUO0EPOQw5
	JIFXbCp+7APKiWdr1dYgr5jK9PaWqpagVXobAG/RQDiVOC3mm+nr6jfFHqhA/DSc/Vyx
	s5Y2Pvfe5cBPB+hhQCxaGRmy4PyZC/1B8WE3e3GJB1IEMl4nDoEELNckO3Q4D80uRb1A
	a/7U90DbbwgWRxOqoZ8f7qvJkCqNnBvJgUdsa45dw+d5l/c5zfJlh8/4yqeF1I2aPL51
	H35dFU0+84UD4bsoQcH9xg75Wqcgz6bps1DoQdU/a+GhLdWxGQWa4/cB2kdrAxxEhZfl
	7TfA==
X-Gm-Message-State: ALoCoQn+kHE8nAAAsf4J6JIYPsTKO5w5ETpNndQVktXjnV9ma/lp+biczVirG+mqAL1CfHcGtT2P
X-Received: by 10.194.246.234 with SMTP id xz10mr4243698wjc.77.1400613486125; 
	Tue, 20 May 2014 12:18:06 -0700 (PDT)
MIME-Version: 1.0
Received: by 10.194.240.166 with HTTP; Tue, 20 May 2014 12:17:46 -0700 (PDT)
In-Reply-To: <CALKy-wodNVZK+3q79YUJLmTRjihP85va4Mcp=mnUQTuUfLh+zg@mail.gmail.com>
References: <CANEZrP2rgiQHpekEpFviJ22QsiV+s-F2pqosaZOA5WrRtJx5pg@mail.gmail.com>
	<CANAnSg0ABVyRcSaO2aEcqO8qaj+JdxRN4z-hLE-EbESv2TMf2g@mail.gmail.com>
	<trinity-1957ed0e-a607-47d7-803b-71c59af8eb89-1400573744536@3capp-mailcom-bs08>
	<20140520143710.GT26986@leitl.org>
	<4078A034-6626-495D-B42F-BDA94ACE1DA3@gmail.com>
	<CALKy-wodNVZK+3q79YUJLmTRjihP85va4Mcp=mnUQTuUfLh+zg@mail.gmail.com>
From: Jeff Garzik <jgarzik@bitpay.com>
Date: Tue, 20 May 2014 15:17:46 -0400
Message-ID: <CAJHLa0PjUqJd_Hfjiwfj5c1yb6LJZeZMS0LFHd3Ncb+Ly88F8w@mail.gmail.com>
To: Andy Alness <andy@coinbase.com>
Content-Type: text/plain; charset=UTF-8
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 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: 1WmpYC-0002Vm-GD
Cc: "bitcoin-development@lists.sourceforge.net"
	<bitcoin-development@lists.sourceforge.net>
Subject: Re: [Bitcoin-development] Why are we bleeding nodes?
X-BeenThere: bitcoin-development@lists.sourceforge.net
X-Mailman-Version: 2.1.9
Precedence: list
List-Id: <bitcoin-development.lists.sourceforge.net>
List-Unsubscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
	<mailto:bitcoin-development-request@lists.sourceforge.net?subject=unsubscribe>
List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=bitcoin-development>
List-Post: <mailto:bitcoin-development@lists.sourceforge.net>
List-Help: <mailto:bitcoin-development-request@lists.sourceforge.net?subject=help>
List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/bitcoin-development>,
	<mailto:bitcoin-development-request@lists.sourceforge.net?subject=subscribe>
X-List-Received-Date: Tue, 20 May 2014 19:18:13 -0000

Yes, i spec'd out the UDP traversal of the P2P protocol.  It seems
reasonable especially for "inv" messages.

On Tue, May 20, 2014 at 2:46 PM, Andy Alness <andy@coinbase.com> wrote:
> Has there ever been serious discussion on extending the protocol to
> support UDP transport? That would allow for NAT traversal and for many
> more people to run effective nodes. I'm also curious if it could be
> made improve block propagation time.
>
> On Tue, May 20, 2014 at 7:52 AM, Gmail <will.yager@gmail.com> wrote:
>> Unlikely. I doubt any significant portion of miners in china will continue to mine on a china-specific chain, since it will certainly be outmined by non-Chinese miners, and will be orphaned eventually.
>>
>> More likely is that mining interests in china will make special arrangements to circumvent the GFwOC.
>>
>> Users who can't access the worldwide blockchain will notice horrendously slow confirmation times and other side effects.
>>
>>> On May 20, 2014, at 10:37, Eugen Leitl <eugen@leitl.org>
>>>
>>> Could a blockchain fork due to network split happen?
>>>
>>
>> ------------------------------------------------------------------------------
>> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
>> Instantly run your Selenium tests across 300+ browser/OS combos.
>> Get unparalleled scalability from the best Selenium testing platform available
>> Simple to use. Nothing to install. Get started now for free."
>> http://p.sf.net/sfu/SauceLabs
>> _______________________________________________
>> Bitcoin-development mailing list
>> Bitcoin-development@lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>>
>
>
>
> --
> Andy Alness
> Software Engineer
> Coinbase
> San Francisco, CA
>
> ------------------------------------------------------------------------------
> "Accelerate Dev Cycles with Automated Cross-Browser Testing - For FREE
> Instantly run your Selenium tests across 300+ browser/OS combos.
> Get unparalleled scalability from the best Selenium testing platform available
> Simple to use. Nothing to install. Get started now for free."
> http://p.sf.net/sfu/SauceLabs
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development@lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development



-- 
Jeff Garzik
Bitcoin core developer and open source evangelist
BitPay, Inc.      https://bitpay.com/