On Aug 3, 2011 9:18 AM, "Rick Wesson" <rick@support-intelligence.com> wrote:
> Starting from bitcoinj, I have plenty of ways to publish DNS. Why sort them
> by version? Ordering from highest to lowest?
>
> how about publishing addresses under version.example.com if you version has
> a perfrence?
>
> -rick
>
>
> On Wed, Aug 3, 2011 at 7:10 AM, Mike Hearn <mike@plan99.net> wrote:
>
>> There's no project currently :-)
>>
>> Starting from Matts code is probably the way to go. It's written in PHP.
>> Alternatively, you could write a Java app for it, as there are drop-in DNS
>> serving libraries you could link with BitCoinJ+sqlite. It probably wouldn't
>> be that hard. You'd want to sort nodes by version, how long they've been
>> observed to exist, the last polling time, etc.
>>
>> On Wed, Aug 3, 2011 at 4:00 PM, Rick Wesson <rick@support-intelligence.com
>> > wrote:
>>
>>> Mike,
>>>
>>> I think I can contribute to your DNS seeding project. Could you help
>>> define long-lived peers?
>>>
>>> -rick
>>>
>>>
>>> On Wed, Aug 3, 2011 at 3:04 AM, Mike Hearn <mike@plan99.net> wrote:
>>>
>>>> This is expected to happen from time to time of course as it's inherently
>>>> racy, but there are a *lot* of bad nodes appearing in the DNS seeds.
>>>>
>>>> $ nmap -oG /tmp/x -p 8333 `dig +short bitseed.bitcoin.org.uk
>>>> dnsseed.bluematt.me bitseed.xf2.org`
>>>> ...
>>>> Nmap done: 48 IP addresses (25 hosts up) scanned in 9.80 seconds
>>>>
>>>> $ grep -c 'closed' /tmp/x
>>>> 6
>>>>
>>>> So of 48 IPs returned only 19 are actually usable. This is slowing down
>>>> peer bringup for the Android apps, which don't currently save the addresses
>>>> of last-used peers (yes, I know we should fix this).
>>>>
>>>> I was talking to a friend a few days ago about Bitcoin, he seemed
>>>> interested. I'm hoping he might take on DNS seeding as a project. A custom
>>>> DNS server that watches the network to find long-lived peers that run the
>>>> latest version would be helpful for resolving this kind of thing.
>>>>
>>>>
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>>>
>>