Different Locations with Different Content Servers

Use

For example, in the author scenario, employees in Philadelphia (location PHILADELPH) store their documents on the content server in Philadelphia, but their colleagues in Tokyo (location TOKYO) store their documents on the content server in Tokyo.

The locations can be determined from their IP address; that is, they are defined on the basis of subnet masks.

A subnet mask has the following format: XXX.XXX.XXX.XXX/YY

• XXX defines one byte of the IP address in each case (permissible values: 0 to 255).

• YY defines how many bits are valid (valid values are 0 to 32)

The subnets can be entered in simple notation, for example, the input 155.5 is mapped to 155.5.0.0/16, which contains the IP addresses 155.5.0.0 to 155.5.255.255.

Different locations, therefore, can be defined for different submasks.

In the case of ambiguous definitions (for example, 155.5/16 and 155.5.17/8), the most restrictive definition (here 155.5.17/8) applies to a given IP address (for example, 155.5.17.3).