- Edge-computing - lists.opendev.org

Meeting reminder
by Ildiko Vancsa 06 Dec '18

06 Dec '18

Hi, It is a friendly reminder that we have the weekly call in the APAC-friendly time slot at 0700UTC today which is in less than 45 minutes. Meeting details are here: https://wiki.openstack.org/wiki/Edge_Computing_Group#Meetings Thanks, Ildikó

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[all][tc][Edge][FEMDC][tripleo][akraino][starlingx] Chronicles Of A Causal Consistency
by Bogdan Dobrelya 05 Dec '18

05 Dec '18

Background. Fact 0. Edge MVP reference architectures are limited to a single control plane that uses a central/global data backend by usual for boring Cloud computing meanings. Fact 1. Edge clouds in Fog computing world are WAN-distributed. Far and middle-level tiers may be communicating to their control planes over high-latency (~50/100ms or more) connections. Fact 2. Post-MVP phases [0] of future reference architectures for Edge imply high autonomity of edge sites (aka cloudlets [1][2]), which is having multiple control planes always maintaining CRUD operations locally and replicating shared state asynchronously, only when "uplinks" are available, if available at all. Fact 3. Distributed Compute Node in the post-MVP phases represents a multi-tiered star topology with middle-layer control planes aggregating thousands of computes at far edge sites and serving CRUD operations for those locally and fully autonomous to upper aggregation edge layers [3]. Those in turn might be aggregating tens of thousands of computes via tens/hundreds of such middle layers. And finally, there may be a central site or a few that want some data and metrics from all of the aggregation edge layers under its control, or pushing deployment configuration down hill through all of the layers. Reality check. That said, the given facts 1-3 contradict to strongly consistent data backends supported in today OpenStack (oslo.db), or Kubernetes as well. That means that neither of two IaaS/PaaS solutions is ready for future post-MVP phases of Edge as of yet. That also means that both will need a new, weaker consistent, data backend to pass the future reality check. If you're interested in formal proves of that claim, please see for sources [4][5][6][7][8]. A [tl;dr] of those: a) It is known that causal consistency is the best suitable for high-latency, high-scale and highly dynamic nature of membership in clusters b) "it it is significantly harder to implement causal consistency than eventual consistency. This explains the fact why there is not even a single commercial database system that uses causal consistency" [6] Challenge accepted! What can we as OpenStack community, joined the Kubernetes/OSF/CNCF communities perhaps, for the bright Edge future can do to make things passing that reality check? It's time to start thinking off it early, before we are to face the post-MVP phases for Edge, IMO. That is also something being discussed in the neighbour topic [9] and that I'm also trying to position as a challenge in that very high-level draft paper [10]. As of potential steps on the way of implementing/adopting such a causal data backend in OpenStack at least, we should start looking into the papers, like [4][5][6][7][8] (or even [11], why not having a FS for that?), and probably more of it as a "theoretical background". [0] https://wiki.openstack.org/w/index.php?title=OpenStack_Edge_Discussions_Dub… [1] https://github.com/State-of-the-Edge/glossary/blob/master/edge-glossary.md#… [2] https://en.wikipedia.org/wiki/Cloudlet [3] https://github.com/State-of-the-Edge/glossary/blob/master/edge-glossary.md#… [4] http://www.bailis.org/papers/bolton-sigmod2013.pdf [5] http://www.cs.princeton.edu/~wlloyd/papers/eiger-nsdi13.pdf [6] https://www.ronpub.com/OJDB_2015v2i1n02_Elbushra.pdf [7] http://www.cs.cornell.edu/lorenzo/papers/cac-tr.pdf [8] https://www.cs.cmu.edu/~dga/papers/cops-sosp2011.pdf [9] http://lists.openstack.org/pipermail/openstack-discuss/2018-December/000492… [10] https://github.com/bogdando/papers-ieee/blob/master/ICFC-2019/LaTeX/positio… [11] http://rainbowfs.lip6.fr/data/RainbowFS-2016-04-12.pdf -- Best regards, Bogdan Dobrelya, Irc #bogdando

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Storyboard project for the Edge Group
by Ildiko Vancsa 05 Dec '18

05 Dec '18

Hi, As we discussed it on one of the weekly calls there is a desire to register our use stories in Storyboard and track related items there. I created a project[1] which also comes with a repository[2] that we can utilize whenever we would like to or just leave empty. I added our currently existing user stories[3] to the project already. Please feel free to add comments or edits to move forward towards defining and achieve our goals towards edge-ready infrastructure services. Please let me know if you have any questions. Thanks and Best Regards, Ildikó [1] https://storyboard.openstack.org/#!/project/openstack/edge-computing-group [2] https://github.com/openstack/edge-computing-group [3] https://wiki.openstack.org/wiki/Edge_Computing_Group/Edge_Reference_Archite…

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Meeting reminder
by Ildiko Vancsa 20 Nov '18

20 Nov '18

Hi, Just a friendly reminder that we have our weekly call in a half an hour at 1500 UTC. Meeting agenda is here: https://wiki.openstack.org/wiki/Edge_Computing_Group#Agenda Zoom dial-in link: https://zoom.us/j/879678938 Thanks, Ildikó

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Invitation: Weekly Edge Computing Group Call (0700 UTC, first week of... @ Monthly from 1am to 2am on the first Thursday from Thu Dec 6 to Wed Jun 5, 2019 (CST) (edge-computing@lists.openstack.org)
by claire＠openstack.org 20 Nov '18

20 Nov '18

You have been invited to the following event. Title: Weekly Edge Computing Group Call (0700 UTC, first week of each month) Weekly agenda & call notes: https://wiki.openstack.org/wiki/Edge_Computing_Group When: Monthly from 1am to 2am on the first Thursday from Thu Dec 6 to Wed Jun 5, 2019 Central Time - Chicago Where: https://zoom.us/j/879678938 Calendar: edge-computing(a)lists.openstack.org Who: * claire(a)openstack.org - organizer * edge-computing(a)lists.openstack.org * Ildiko Vancsa Event details: https://www.google.com/calendar/event?action=VIEW&eid=Xzg4cGo0aGhuNzByamNiO… Invitation from Google Calendar: https://www.google.com/calendar/ You are receiving this courtesy email at the account edge-computing(a)lists.openstack.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://www.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to modify your RSVP response. Learn more at https://support.google.com/calendar/answer/37135#forwarding

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Updated invitation: Weekly Edge Computing Group Call 7:00am Pacific Timezone @ Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am, Tue Feb 5, 2019 9am, Tue Mar 5, 2019 9am, Tue Apr 2, 2019 9am or Tue May 7, 2019 9am (CST) (edge-computing@lists.openstack.org)
by claire＠openstack.org 20 Nov '18

20 Nov '18

This event has been changed. Title: Weekly Edge Computing Group Call 7:00am Pacific Timezone Weekly agenda & call notes: https://wiki.openstack.org/wiki/Edge_Computing_Group When: Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am, Tue Feb 5, 2019 9am, Tue Mar 5, 2019 9am, Tue Apr 2, 2019 9am or Tue May 7, 2019 9am Central Time - Chicago (changed) Where: https://zoom.us/j/879678938 Calendar: edge-computing(a)lists.openstack.org Who: * claire(a)openstack.org - organizer * edge-computing(a)lists.openstack.org * Ildiko Vancsa Event details: https://www.google.com/calendar/event?action=VIEW&eid=Xzg1MmplYzFuODRzNDJiY… Invitation from Google Calendar: https://www.google.com/calendar/ You are receiving this courtesy email at the account edge-computing(a)lists.openstack.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://www.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to modify your RSVP response. Learn more at https://support.google.com/calendar/answer/37135#forwarding

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Updated invitation: Weekly Edge Computing Group Call 7:00am Pacific Timezone @ Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am, Tue Feb 5, 2019 9am, Tue Mar 5, 2019 9am or Tue Apr 2, 2019 9am (CST) (edge-computing@lists.openstack.org)
by claire＠openstack.org 20 Nov '18

20 Nov '18

This event has been changed. Title: Weekly Edge Computing Group Call 7:00am Pacific Timezone Weekly agenda & call notes: https://wiki.openstack.org/wiki/Edge_Computing_Group When: Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am, Tue Feb 5, 2019 9am, Tue Mar 5, 2019 9am or Tue Apr 2, 2019 9am Central Time - Chicago (changed) Where: https://zoom.us/j/879678938 Calendar: edge-computing(a)lists.openstack.org Who: * claire(a)openstack.org - organizer * edge-computing(a)lists.openstack.org * Ildiko Vancsa Event details: https://www.google.com/calendar/event?action=VIEW&eid=Xzg1MmplYzFuODRzNDJiY… Invitation from Google Calendar: https://www.google.com/calendar/ You are receiving this courtesy email at the account edge-computing(a)lists.openstack.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://www.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to modify your RSVP response. Learn more at https://support.google.com/calendar/answer/37135#forwarding

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Updated invitation: Weekly Edge Computing Group Call 7:00am Pacific Timezone @ Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am, Tue Feb 5, 2019 9am or Tue Mar 5, 2019 9am (CST) (edge-computing@lists.openstack.org)
by claire＠openstack.org 20 Nov '18

20 Nov '18

This event has been changed. Title: Weekly Edge Computing Group Call 7:00am Pacific Timezone Weekly agenda & call notes: https://wiki.openstack.org/wiki/Edge_Computing_Group When: Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am, Tue Feb 5, 2019 9am or Tue Mar 5, 2019 9am Central Time - Chicago (changed) Where: https://zoom.us/j/879678938 Calendar: edge-computing(a)lists.openstack.org Who: * claire(a)openstack.org - organizer * edge-computing(a)lists.openstack.org * Ildiko Vancsa Event details: https://www.google.com/calendar/event?action=VIEW&eid=Xzg1MmplYzFuODRzNDJiY… Invitation from Google Calendar: https://www.google.com/calendar/ You are receiving this courtesy email at the account edge-computing(a)lists.openstack.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://www.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to modify your RSVP response. Learn more at https://support.google.com/calendar/answer/37135#forwarding

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Updated invitation: Weekly Edge Computing Group Call 7:00am Pacific Timezone @ Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am or Tue Feb 5, 2019 9am (CST) (edge-computing@lists.openstack.org)
by claire＠openstack.org 20 Nov '18

20 Nov '18

This event has been changed. Title: Weekly Edge Computing Group Call 7:00am Pacific Timezone Weekly agenda & call notes: https://wiki.openstack.org/wiki/Edge_Computing_Group When: Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am, Tue Jan 1, 2019 9am or Tue Feb 5, 2019 9am Central Time - Chicago (changed) Where: https://zoom.us/j/879678938 Calendar: edge-computing(a)lists.openstack.org Who: * claire(a)openstack.org - organizer * edge-computing(a)lists.openstack.org * Ildiko Vancsa Event details: https://www.google.com/calendar/event?action=VIEW&eid=Xzg1MmplYzFuODRzNDJiY… Invitation from Google Calendar: https://www.google.com/calendar/ You are receiving this courtesy email at the account edge-computing(a)lists.openstack.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://www.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to modify your RSVP response. Learn more at https://support.google.com/calendar/answer/37135#forwarding

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Updated invitation: Weekly Edge Computing Group Call 7:00am Pacific Timezone @ Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am or Tue Jan 1, 2019 9am (CST) (edge-computing@lists.openstack.org)
by claire＠openstack.org 20 Nov '18

20 Nov '18

This event has been changed. Title: Weekly Edge Computing Group Call 7:00am Pacific Timezone Weekly agenda & call notes: https://wiki.openstack.org/wiki/Edge_Computing_Group When: Weekly from 9am to 10am on Tuesday from Tue Nov 6 to Tue May 28, 2019 except Tue Dec 4 9am, Tue Dec 25 9am or Tue Jan 1, 2019 9am Central Time - Chicago (changed) Where: https://zoom.us/j/879678938 Calendar: edge-computing(a)lists.openstack.org Who: * claire(a)openstack.org - organizer * edge-computing(a)lists.openstack.org * Ildiko Vancsa Event details: https://www.google.com/calendar/event?action=VIEW&eid=Xzg1MmplYzFuODRzNDJiY… Invitation from Google Calendar: https://www.google.com/calendar/ You are receiving this courtesy email at the account edge-computing(a)lists.openstack.org because you are an attendee of this event. To stop receiving future updates for this event, decline this event. Alternatively you can sign up for a Google account at https://www.google.com/calendar/ and control your notification settings for your entire calendar. Forwarding this invitation could allow any recipient to modify your RSVP response. Learn more at https://support.google.com/calendar/answer/37135#forwarding

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