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24 Chapter 3 Domain Management
NN10043-113
[Standard - Nortel Networks Confidential]
If you have full domain access, you can see all provisioned domains. Otherwise,
you will only be able to see the domains/subdomains you are provisioned against.
The management rights assigned to a domain administrator dictates what you can
do with the domains.
Domain types
There are three types of domains:
root domain
subdomain
foreign domain
Root domain
A root domain is the highest level domain. A service provider can create a root
domain for each of their customers. An example of a root domain is
nortelnetworks.com.
Subdomain
A subdomain is a category of domains. Subdomains allow you to divide
subscribers under a domain into smaller groups. The groups can be used to control
routing and access to services by members of the group.
Under each subdomain, you can add subdomains, service packages, users,
devices, and telephony routes. There are no limits to the levels of nesting of
subdomains. Each subdomain inherits the parameter values from the root domain.
A typical application of subdomains is based on geographical divisions. For
example, using Nortel Networks, you could have nortelnetworks.com as the root
domain, with subdomains of Richardson and Ottawa. Under each of these
subdomains there could be further subdomains as shown in the following
illustration (Figure 12).