[c-nsp] Application availability between datacentres

[Jens Brey]

Hi,

GSLB can be a solution, but must not... ;)

Interesting link on it:
http://www.tenereillo.com/GSLBPageOfShame.htm
http://www.tenereillo.com/GSLBPageOfShameII.htm

In your situation i would prefer a GSLB HRI Solution or
maybe some HSRP/VRRP solution for metronets.

Regards,
Jens


Alex schrieb:
> Ian,
> Cisco GSS or Juniper DX GSLB would fit nicely in here.
> Rgds
> Alex
> ----- Original Message ----- 
> From: "Ian MacKinnon" <cscolists at googlemail.com>
> To: <cisco-nsp at puck.nether.net>
> Sent: Wednesday, October 10, 2007 3:45 PM
> Subject: [c-nsp] Application availability between datacentres
>
>
>   
>> Hi all,
>>
>> Does anyone have any suggestions on how to fail over between data centres 
>> ?
>>
>> We have 2 data centres with a layer 3 connection between them
>>
>> I need to have a customer in both DCs and announce an ip address from the
>> live DC.
>>
>> This needs to move from the primary to the secondary when either the 
>> primary
>> dc dies, or the app in the primary dc dies
>>
>> The backends at both DCs need to be available during normal operation
>> eg customer has a /24, split it between both sites, and only  a single /32
>> needs to flip between.
>>
>> I thought something using route maps and ip slas
>>
>> Any other suggestions?
>>
>> Ta
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>>     
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