[c-nsp] Application availability between datacentres

[Alex]

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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