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Date: Sat, 6 Feb 2016 18:09:21 +0100
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From: =?UTF-8?B?Sm9yZ2UgVGltw7Nu?= <jtimon@jtimon.cc>
To: Gavin Andresen <gavinandresen@gmail.com>
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Cc: Bitcoin Dev <bitcoin-dev@lists.linuxfoundation.org>
Subject: Re: [bitcoin-dev] BIP proposal: Increase block size limit to 2
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On Feb 6, 2016 16:37, "Gavin Andresen" <gavinandresen@gmail.com> wrote:
>
> Responding to "28 days is not long enough" :

Any thoughts on the "95% better than 75%" and "grace period before miner
coordination instead of after" comments ?

> I suspect there ARE a significant percentage of un-maintained full
nodes-- probably 30 to 40%. Losing those nodes will not be a problem, for
three reasons:

None of the reasons you list say anything about the fact that "being lost"
(kicked out of the network) is a problem for those node's users.

> I strongly disagree with the statement that there is no cost to a longer
grace period.

I didn't say that.

> To bring it back to bitcoin-dev territory:  are there any TECHNICAL
arguments why an upgrade would take a business or individual longer than 28
days?

Their own software stack may require more work to integrate the new rules
or their resources may not be immediately available to focus on this within
28 days they hadn't planned.

I believe it wold be less controversial to chose something that nobody can
deny is more than plenty of time for everyone  to implement the changes
like, say, 1 year. I wouldn't personally oppose to something shorter like 6
months for really simple changes, but I don't see how 28 can ever be
considered uncontroversial and safe for everyone. Just trying to help in
removing controversy from the PR, but if you still think 28 can be safe and
uncontroversial, feel free to ignore these comments on the concrete length
and please let me know what you think about the other points I raised.

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<p dir=3D"ltr"><br>
On Feb 6, 2016 16:37, &quot;Gavin Andresen&quot; &lt;<a href=3D"mailto:gavi=
nandresen@gmail.com">gavinandresen@gmail.com</a>&gt; wrote:<br>
&gt;<br>
&gt; Responding to &quot;28 days is not long enough&quot; :</p>
<p dir=3D"ltr">Any thoughts on the &quot;95% better than 75%&quot; and &quo=
t;grace period before miner coordination instead of after&quot; comments ?<=
/p>
<p dir=3D"ltr">&gt; I suspect there ARE a significant percentage of un-main=
tained full nodes-- probably 30 to 40%. Losing those nodes will not be a pr=
oblem, for three reasons:</p>
<p dir=3D"ltr">None of the reasons you list say anything about the fact tha=
t &quot;being lost&quot; (kicked out of the network) is a problem for those=
 node&#39;s users.</p>
<p dir=3D"ltr">&gt; I strongly disagree with the statement that there is no=
 cost to a longer grace period.</p>
<p dir=3D"ltr">I didn&#39;t say that.</p>
<p dir=3D"ltr">&gt; To bring it back to bitcoin-dev territory: =C2=A0are th=
ere any TECHNICAL arguments why an upgrade would take a business or individ=
ual longer than 28 days?</p>
<p dir=3D"ltr">Their own software stack may require more work to integrate =
the new rules or their resources may not be immediately available to focus =
on this within 28 days they hadn&#39;t planned.</p>
<p dir=3D"ltr">I believe it wold be less controversial to chose something t=
hat nobody can deny is more than plenty of time for everyone=C2=A0 to imple=
ment the changes like, say, 1 year. I wouldn&#39;t personally oppose to som=
ething shorter like 6 months for really simple changes, but I don&#39;t see=
 how 28 can ever be considered uncontroversial and safe for everyone. Just =
trying to help in removing controversy from the PR, but if you still think =
28 can be safe and uncontroversial, feel free to ignore these comments on t=
he concrete length and please let me know what you think about the other po=
ints I raised.<br>
</p>

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