Ha fip: Difference between revisions

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== High Availability using a floating IP ==
== High Availability using a floating IP ==


A single VM hosting an application can fail and be offline, which makes the application inaccessible as well.
A single VM hosting an application can fail and be offline, which also makes the application inaccessible.


To avoid a scenario like that, it is possible to make the floating IP (FIP) high-available.
To avoid such a scenario, it is possible to make the floating IP (FIP) high-available, which in turn can be used to make the application high available too.
 
=== Active-Passive High-availability ===
 
To accomplish a setup like this, we need the following:
 
1. 2 VMs hosting the application
2. 1 Floating IP
3. 1 VIP (shared IP) RFC1918 from within your project
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