I tend to agree with slush here - counting the IPs in addr broadcasts often gives a number like 100,000 vs just 10,000 for actually reachable nodes (or less). It seems like optimising the NAT tunneling code would help. Starting by adding more diagnostic stuff to the GUI. STUN support may also help.
The main constraint with home devices is not IMHO their actual power but rather that a lot of people no longer keep computers switched on all the time. If you don't do that then spv with bundled Core can't help your security because the spv wallet would always be syncing from the p2p network for performance reasons.
I believe there're plenty bitcoind instances running, but they don't have configured port forwarding properly.There's uPNP support in bitcoind, but it works only on simple setups.Maybe there're some not yet considered way how to expose these *existing* instances to Internet, to strenghten the network. Maybe just self-test indicating the node is not reachable from outside (together with short howto like in some torrent clients).These days IPv6 is slowly deploying to server environments, but maybe there's some simple way how to bundle ipv6 tunnelling into bitcoind so any instance will become ipv6-reachable automatically?Maybe there're other ideas how to improve current situation without needs of reworking the architecture.MarekOn Wed, Apr 9, 2014 at 9:33 PM, Gregory Maxwell <gmaxwell@gmail.com> wrote:On Wed, Apr 9, 2014 at 11:58 AM, Justus Ranvier <justusranvier@gmail.com> wrote:The list has open membership, there is no particular qualification or
> Anyone reading the archives of the list will see about triple the
> number of people independently confirming the resource usage problem
> than they will see denying it, so I'm not particularly worried.
background required to post here. Optimal use of an information source
requires critical reading and understanding the limitations of the
medium. Counting comments is usually not a great way to assess
technical considerations on an open public forum. Doubly so because
those comments were not actually talking about the same thing I am
talking about.
Existing implementations are inefficient in many known ways (and, no
doubt, some unknown ones). This list is about developing protocol and
implementations including improving their efficiency. When talking
about incentives the costs you need to consider are the costs of the
best realistic option. As far as I know there is no doubt from anyone
technically experienced that under the current network rules full
nodes can be operated with vastly less resources than current
implementations use, it's just a question of the relatively modest
implementation improvements.
When you argue that Bitcoin doesn't have the right incentives (and
thus something??) I retort that the actual resource _requirements_ are
for the protocol very low. I gave specific example numbers to enable
correction or clarification if I've said something wrong or
controversial. Pointing out that existing implementations are not that
currently as efficient as the underlying requirements and that some
large number of users do not like the efficiency of existing
implementations doesn't tell me anything I disagree with or didn't
already know. Whats being discussed around here contributes to
prioritizing improvements over the existing implementations.
I hope this clarifies something.
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