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That is terminology from Computer Science.  (Decades ago?)  It is familiar.  Not invented by Cisco.  As in, producer-consumer, from the same time.  Those were all different paradigms for client-server relationships.  There must be Wikipedia citations that can
 be consulted.  As I recall, there were distinctions, such as, producer-consumer were tightly bound, where the producer had no purpose without a consumer.  In publisher-subscriber, subscribers registered their interest in what the publisher had to say, but
 were neither required to exist at all, or might ignore what was being published.<br class="">
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<div class=""><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: 'Helvetica Neue'; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;  ">Larry
 Baker<br class="">
US Geological Survey<br class="">
650-329-5608<br class="">
<a href="mailto:baker@usgs.gov" class="">baker@usgs.gov</a><br class="">
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<div class="">On Mar 12 2021, at 7:22:35 PM, Douglas Parsons <<a href="mailto:doug@parsonsemail.com" class="">doug@parsonsemail.com</a>> wrote:</div>
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<div dir="auto" class="">I didn't go there due to its use by Cisco.</div>
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<div dir="ltr" class="gmail_attr">On Fri, Mar 12, 2021, 10:03 PM Baker, Lawrence M via Nut-upsuser <<a href="mailto:nut-upsuser@alioth-lists.debian.net" class="">nut-upsuser@alioth-lists.debian.net</a>> wrote:<br class="">
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<div class="">Jim,</div>
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The terminology I recall for that one-to-many relationship is publisher-subscriber.
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<div class=""><span style="border-collapse: separate; font-family: "Helvetica Neue"; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-variant-east-asian: normal; font-variant-position: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px;" class="">Larry
 Baker<br class="">
US Geological Survey<br class="">
650-329-5608<br class="">
<a href="mailto:baker@usgs.gov" target="_blank" rel="noreferrer" class="">baker@usgs.gov</a><br class="">
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<div class="">On Mar 12 2021, at 6:24:38 PM, Phil Stracchino via Nut-upsuser <<a href="mailto:nut-upsuser@alioth-lists.debian.net" target="_blank" rel="noreferrer" class="">nut-upsuser@alioth-lists.debian.net</a>> wrote:</div>
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This email has been received from outside of DOI - Use caution before clicking on links, opening attachments, or responding.<br class="">
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On 3/12/21 9:14 PM, Rusty Bower wrote:<br class="">
<blockquote type="cite" class="">Manager/subscriber seems most accurate<br class="">
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Sent from my iPhone<br class="">
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<blockquote type="cite" class="">On Mar 12, 2021, at 20:13, Douglas Parsons <<a href="mailto:doug@parsonsemail.com" target="_blank" rel="noreferrer" class="">doug@parsonsemail.com</a>> wrote:<br class="">
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In place of secondary how about subscriber? It would be accurate to<br class="">
the role.<br class="">
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I'd been going to suggest controller and ... something.  Controller and<br class="">
subscriber?<br class="">
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--<br class="">
 Phil Stracchino<br class="">
 Babylon Communications<br class="">
 <a href="mailto:phils@caerllewys.net" target="_blank" rel="noreferrer" class="">phils@caerllewys.net</a><br class="">
 <a href="mailto:phil@co.ordinate.org" target="_blank" rel="noreferrer" class="">phil@co.ordinate.org</a><br class="">
 Landline: +1.603.293.8485<br class="">
 Mobile:   +1.603.998.6958<br class="">
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