This chapter provides an overview of NS Option.
NS Appliance is a virtual appliance for dividing multiple layers included in multiple systems, ensuring network security, distributing the server access in an L-Platform, and avoiding response delay due to inaccessibility or access concentration caused by server failure. Hereinafter this function is referred to as "NS Appliance".
By using NS Appliance, the security of each network segment on an L-Platform, or load leveling of a server which is deployed to an L-Platform, can be ensured easily and flexibly. In order to use NS Appliance, an NS Option license is required. Up to 20 NS Appliances can be created on a single server.
Figure 1.1 Image of Deployment on a Server
NS Appliances can be deployment targets as network devices in the same way as other firewall and server load balancer units, when selecting an L-Platform template which includes firewalls and server load balancers. When NS Appliance is deployed on an L-Platform, it controls communications with the server according to the operation rules configured for NS Appliance.
Figure 1.2 Example of NS Appliance Deployment Structure
Information
A dedicated server for NS Appliance can be created using a cloning image for NS Option. The resulting server will be the dedicated server for NS Option, which includes NS Appliance and the program that controls NS Appliance.
NS Appliance operates as a VM on a dedicated server for NS Appliance deployed using a cloning image for NS Option on a server. It can be registered with a manager and managed as a network device.
The same number of NS Appliances as NS Option licenses registered with the manager can be used.
