[Pdns-users] different type of replication

[Dan Campbell]

I use MySQL replication between western US and Ireland -- never had a problem.

--
Dan Campbell

> On Apr 14, 2015, at 8:10 AM, Robert Locke <roblocke at gmail.com> wrote:
> 
> Hi Peter,
> 
> I’ve used native replication (mysql) across data centers (and even an ocean!) without any issues.
> 
> Cheers,
> Rob
> 
> 
>> On Apr 14, 2015, at 4:58 PM, Keresztes Péter-Zoltán <zozo at z0z0.tk> wrote:
>> 
>> My setup should be fairly easy. I don’t replicate with third pary DNS servers. My replications between DC’s are done via VPN lines. So far in 6 months they did not go down ones so I can consider them pretty reliable. 
>> 
>> Peter
>>> On 14 Apr 2015, at 11:53, Aki Tuomi <cmouse at youzen.ext.b2.fi> wrote:
>>> 
>>> It really all depends on your use case. 
>>> 
>>> You probably do not want native replication if you need to replicate
>>> 
>>> - with other than same DNS product
>>> - with 3rd parties
>>> - over some unreliable WAN links
>>> 
>>> or if you cannot (for some reason) establish the connections required for
>>> native replication, such as corporate policy or something silly like that.
>>> 
>>> Aki
>>> 
>>>> On Tue, Apr 14, 2015 at 11:45:53AM +0300, Keresztes Péter-Zoltán wrote:
>>>> So bottom line taking in consideration that having mysql replication would not be an issue. Is one or other preferred? And if yes what would be the reasons?
>>>> 
>>>> Peter
>>>> 
>>>>> On 14 Apr 2015, at 08:22, Aki Tuomi <cmouse at youzen.ext.b2.fi> wrote:
>>>>> 
>>>>> On Tue, Apr 14, 2015 at 03:23:04AM +0300, Keresztes Péter-Zoltán wrote:
>>>>>> Hello, 
>>>>>> 
>>>>>> Can anyone explain me if there is any difference between having a master-slave replication on authoritative servers and simple NATIVE servers with  backend replication?
>>>>>> 
>>>>>> regards,
>>>>>> Peter
>>>>> 
>>>>> The biggest differences are that with master-slave you do not need anything but
>>>>> tcp/53 and udp/53 open between the servers (both ways), it can interoperate
>>>>> with other DNS server products. There is no transport security implied other
>>>>> than provided by TSIG. You also need to do serial number management to cause
>>>>> transfers.
>>>>> 
>>>>> Native replication is backend-specific and all limitations and benefits are
>>>>> of the backend in question. F.ex. if you use mysql replication, you get near
>>>>> instant changes in your slaves. No serial number management is required.
>>>>> 
>>>>> Aki
>>>>> 
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>>>> 
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