Software-Based Clustering [Ubuntu 12.04]

[Peter Schober]

* Ricardo T. Macedo <rmacedo1987 at gmail.com> [2015-07-07 17:14]:
> My idea is use a free software-based approach (less
> expensive). Anyone has tried this before? What software is normally
> used in IdP clustering to intercept and route traffic to various
> nodes in a cluster?

The same question applies to any web server or web application, it's
not specific to the Shibboleth software. Try a web search, etc.
-peter