Load balancing Crowd

We are currently using Crowd to authenticate Jira and Confluence.

Recent development on our core applications includes the use of Crowd for authentication. This put me in a situation where I would like Crowd to be (more) redundant.

Current set up is on 1 virtual server. The hardware this server is on is currently unknown and I have a request put in to our ASP in regards to information on the hardware (e.g. at least have the most error-prone components redundant).

Having suitable hardware is just step 1. I would really like to have the Crowd installation redundant. I've done some research and found the following links:

It seems to me that there are some issues in regards to the setup - one example is that other Crowd installations using the same db must be turned off when adding a new application to Crowd. This is not the biggest of issues as we do not add that many applications during a year - but still...

Solution is either to use hardware or software in front of the two (LB) and have the related applications use the cluster ip-address instead of the specific server ip address we use today. My question is how to avoid the hardware/software solution in front (the actual LB) becoming the single point of failure? Yes, we can have two of this as well, but there is something called costs :)

Can anyone tell me:

  • is it possible to have a single LB instance and have traffic routed directly to the ip address of one of the servers behind the LB if it goes down?
  • Will Jira/Confluence/other applications manage this switch?

Or is my only solution to duplicate the LB instances?

1 answer

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Answer accepted

To us this is no longer needed. As we where unable to get Crowd working behind a ISA server, we discontinued the use of the application.

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