[Pdns-users] different type of replication

Keresztes Péter-Zoltán zozo at z0z0.tk
Tue Apr 14 08:58:23 UTC 2015


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
>>> 
>>>> Pdns-users mailing list
>>>> Pdns-users at mailman.powerdns.com
>>>> http://mailman.powerdns.com/mailman/listinfo/pdns-users
>>>> 
>> 
>> 
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