[CentOS] Need firewalld clue

Sun Dec 13 00:46:07 UTC 2015
Nicholas Geovanis <nickgeovanis at gmail.com>

I don't really understand the intent behind firewalld. The RHEL7 Security
Guide states "A graphical configuration tool, *firewall-config*, is used to
configure firewalld, which in turn uses *iptables tool* to communicate with
*Netfilter* in the kernel which implements packet filtering".

So is the goal for firewalld to implement a GUI for iptables? What is the
"value added" by firewalld?
    Thanks....Nick Geo