Advanced IP Network Design (CCIE Professional Development)

Strategies for Successful Addressing

You can allocate addresses in four ways:

• First come, first serve— Start with a large pool of addresses and hand them out as they are needed.

• Politically— Divide the available address space up so every organization within the organization has a set of addresses it can draw from.

• Geographically— Divide the available address space up so that each of the organization's locations has an office that has a set of addresses it will draw from.

• Topologically— This is based on the point of attachment to the network. (This may be geographically the same on some networks.)

First Come, First Serve Address Allocation

Suppose you are building a small packet switching network (one of the first) in the 1970s. You don't think ...