Answer:
RADIUS
Explanation:
Remote Authentication Dial-In User Service (RADIUS) is a networking protocol that provides centralized Authentication, Authorization, and Accounting management for users connected to a network service. It can be used to authenticate anyone who is on your network.
RADIUS is a protocol that uses TCP or UDP as transport. RADIUS client is what is used to communicate with RADIUS servers at gateways of the network.
It does look like a model
Hope it helps I mean just my opinion.
Answer: Unified communication
Explanation: Unified communication is the communication technique in which merges various communication routines into a individual business.It works as the phone system which helps in increment of productivity in an organizational business.
The unifying of voice,data/information,video etc is done for optimizing and improving the business that also results in faster communication rates, secure communication etc.
