Active Directory is commonly used for this.
DHCP
It is a centralized authentication service provided by Microsoft.This method of authentication uses Microsoft's Passport service to authenticate users. When you use Passport authentication, a user must have a valid Passport account to access the application.
shared
CHAP
RADIUS
Windows authentication is the default authentication method when you create a new Web application project.
Basic Authentication
EAP
Open system authentication (default).
Centralized file integrity protection!
McDonald's uses Centralized Organizational Structure.
Authentication
multicast authentication is the effective method of delivering data from sender to multiple receivers..