Network Locations

Conceptually, the address file serves the same purpose as the ETC\HOSTS file on a networked machine.

However, unlike the HOSTS file, which describes a single collection of names, the address file contains multiple collections of names called network locations.

A network location is a named collection of address definitions. Each address definition in the collection associates a common name with an IP address.

In the address file, a network location is defined in a structure called a NetworkLocation. The NetworkLocation in the following example defines a network location called “MyCorporate Intranet.” It contains an address definition that maps the common name to the IP address “”

0 = NetworkLocation:
  Addresses = vector: 1 items
    0 = AddressDefinition:
      Address = string:
      Name = string:
  Name = string: MyCorporateIntranet
  Parent = string:

As shown in the example above, the NetworkLocation structure consists of three main parameters:

Parameter Description
Addresses Defines zero or more AddressDefinitions. Each AddressDefintion associates a common name with an IP address.
Name Assigns a name to the NetworkLocation. The name assigned to a NetworkLocation must be unique within the address file.

Specifies the name of another NetworkLocation whose members are included in this NetworkLocation. This parameter enables one NetworkLocation to extend another.

You can set the Parent parameter to “DNS,” to extend a NetworkLocation to the client’s normal DNS system.

Example: Parent = string: DNS

When DNS is the parent, clients attempt to resolve a common name using the client machine’s DNS system when they cannot resolve the name through the NetworkLocation.

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