Zen Load Balancer is used to provide high availability and load balancing for a wide range of applications. Today, this is mandatory in order to serve applications to users anytime, anywhere and through any device.
In such terms, Hitachi has compiled a Networking Best Practices in order to load balance web content applications.
Please note that such configuration is not valid for all cases, selecting a L4 or L7 farm will depend on the requirements like number of concurrent connections, number of users, backends resources, load balancer resources, web content acceleration, etc.
But this document will provide a good approach about how to use Zen Load Balancer with web content applications.