LUXURIES DEVICES

Luxuries devices are not so much important for network but it makes our network more secure.These devices are important when our network require security.Following are luxuries devices of the network such as PIX Firewall, ASA. IPS/IDS, caching engine ,VPN ,Call manager etc.
PIX Firewall: 
                     It is private internet exchange firewall which prevent from hacking.
ASA: 
              Adoptive security appliance (ASA) which is a type of a firewall but more stronger than firewall.
IPS: 
            IPS is a intrusion prevention system which monitor the network .IPS is use to detect or prevent the intrusion attack.
Caching Engine:
                              Those web which are used frequently cache engine host it in local area.It can open it quickly.
VPN:
         VPN is Virtual private network .It provides a secure path to transfer data more securely in a shared network.
Call Manager:
                        Call manager is private branch exchange which transfer data,voice,video etc more securely.For example Voice messenger, chat,video conference.