Via Slashdot BSD, Ryan McBride explains the new redundancy features in OpenBSD 3.5. The article explains why redundant firewalls are good, goes through a real world scenario, and gives examples of how to set up a redundant firewall system using OpenBSD 3.5. The release of 3.5 is just around the corner. Also check out the release song for 3.5 and hear why the invented a new protocol from scratch to accomplish redundancy.