[Pdns-users] different type of replication

[Robert Locke]

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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> 
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