[OpenSIPS-Users] HA, geographic redundancy

[Miha]

Hi,

i tired with DNS SRV and it works like it should:)

Does all UAC  supports DNS SRV:)?

miha

Dne 5/30/2013 5:37 AM, pis(e John Scully:
> Keep in mind that you are talking about a very rare event -- total 
> loss of a data center or connectivity to it.  Even if you have to 
> manually reroute a subnet to fail over to the redundant site, and that 
> takes say 30 minutes to settle...a 30 minute outage for a once in ten 
> years event is not really an issue.
> John Scully
> Digital Telephone Alliance
> *From:* Flavio Goncalves <mailto:flavio at voffice.com.br>
> *Sent:* Wednesday, May 29, 2013 4:49 PM
> *To:* Miha <mailto:miha at softnet.si>
> *Cc:* OpenSIPS users mailling list <mailto:users at lists.opensips.org>
> *Subject:* Re: [OpenSIPS-Users] HA, geographic redundancy
> Miha,
> Phones try the second DNS server automatically, so DNS refresh is not 
> usually a problem. The problem is with some PBXs that don't support 
> RFC3263. In this case, the client can implement automatic failover via 
> scripting, but you don't have control over it.
> B.R.
> Flavio E. Goncalves
>
>
> 2013/5/29 Miha <miha at softnet.si <mailto:miha at softnet.si>>
>
>     Hi Flavio,
>
>     thanks for your replay.
>
>     What would you suggest? we are ISP, subnet migration should
>     not be a problem but this will resolve down time as this
>     would need time to network admin re-route subnet.
>
>     What about DNS srv. This would not be a problem with zones
>     as need time to refresh (i just did I quick look to RFC
>     that you posted in previous post.).
>
>     tnx!
>
>     Miha
>
>     On Wed, 29 May 2013 11:19:59 -0300
>     Flavio Goncalves <flavio at voffice.com.br
>     <mailto:flavio at voffice.com.br>> wrote:
>     > Hi Miha,
>     >
>     > I would suggest two ways. The first is to use the RFC3263
>     > and implement DNS
>     > redundancy using DNS SRV and NAPTR. The only other way
>     > that I know is using
>     > BGP and migrating the IP address to another server. You
>     > will need to have
>     > an AS to do this. It can be implemented by a good (if he
>     > is willing to do
>     > that) Internet Provider.
>     >
>     > B.R.
>     >
>     > Flavio E. Goncalves
>     >
>     >
>     > 2013/5/29 Miha <miha at softnet.si <mailto:miha at softnet.si>>
>     >
>     > > Hi,
>     > >
>     > > i need a little help or information about geographic
>     > redundancy.
>     > >
>     > > What would be the best way to achive that? If use
>     > opensips for
>     > > registration and all users are registered with domain I
>     > can change record
>     > > in DNS server but this will need time.
>     > >
>     > > What would be the best way to achive this with minimun
>     > down time?
>     > >
>     > >
>     > > Thanks!
>     > > Miha
>     > >
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