In technology, the "master" controls one or more devices known as the slave(s). For the novel I am writing, I prefer avoiding the connotation of Master/Slave. Is their a word, term or other phrase that depicts this relationship more eloquently?
There was some controversy over this back in 2003 when Los Angeles Country asked manufactures/suppliers to stop using it.
This ultimately led different software platforms (like Drupal) to adopt, in 2014, the terms:
Other possible phrases that I like include:
For more information: http://en.wikipedia.org/wiki/Master/slave_(technology)