Q: Consider an entity moving from location A to B, while passing several intermediate locations where it will reside for only a relatively short time. When arriving at B, it settles down for a while. Changing an address in a hier- archical location service may still take a relatively long time to complete, and should therefore be avoided when visiting an intermediate location. How can the entity be located at an intermediate location?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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Q: Consider an entity moving from location A to B, while passing several
intermediate locations where it will reside for only a relatively short time.
When arriving at B, it settles down for a while. Changing an address in a hier-
archical location service may still take a relatively long time to complete, and
should therefore be avoided when visiting an intermediate location. How can
the entity be located at an intermediate location?
Transcribed Image Text:Q: Consider an entity moving from location A to B, while passing several intermediate locations where it will reside for only a relatively short time. When arriving at B, it settles down for a while. Changing an address in a hier- archical location service may still take a relatively long time to complete, and should therefore be avoided when visiting an intermediate location. How can the entity be located at an intermediate location?
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