A special form of locating an entity is called anycasti

A special form of locating an entity is called anycasting by which a service is identified by means of an IP address (see for example Sending a request to an anycast address returns a response from a server implementing the service identified by that anycast address. Outline the implementation of an anycast service based on the hierarchical location service described in Sec. 5.2.4. ?
A: Each service has a unique identifier associated with it. Any server implementing that service inserts its network-level address into the location service at the directory node of the leaf domain in which the server resides. Lookup requests use the identifier of the service and will automatically return the nearest server implementing that service.
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