Active Directory, Second Edition

Design Examples

Having covered the design of the namespace, some real-world example designs are in order. We have created three fictitious companies that will serve as good models for demonstrations of the design process. We will also use these three companies in the following chapters. The companies themselves are not fully detailed here, although there is enough information to enable you to make a reasonable attempt at a namespace design. In the chapters that follow, we will expand the relevant information on each company as required for that part of the design.

We used a number of criteria to create these companies:

• The companies were set up to represent various organizations and structures.

• While each corporation has a large number of users and machines, the design principles will scale down to smaller organizations well.

• In these example corporations, we are not interested in how many servers each company has or where those servers are. These facts come into play in the next chapter on sites. We are interested in users, groups, machines, domains, and the business and administration models that are used.

TwoSiteCorp

TwoSiteCorp is an organization that employs 50,000 people using 50,000 machines. The organization spans 2 sites connected with a 128 Kb dedicated link. The London site has 40,000 clients and 40,000 employees, while the new expansion at the Leicester site has 10,000 clients and 10,000 employees. TwoSiteCorp’s business model is based on a structure in which users are members ...