For the report from April 2020 meeting click here or download a PDF.
To download a pdf version of the SAACC 2019 report click here.

SAACC 2021 Meeting Recordings April 13 | April 14


  1. SAACC Meeting – April 13-14, 2021 via ZOOM
  2. Vera Rubin Observatory NET Meeting (by invitation only) – April 15-16, 2021 via ZOOM


Register in advance for this meeting:


The SAACC is now in its 12th year and serves not only to provide input and advice to the AmLight PI and the Steering Committee on program and network needs, but also as a venue for coordinating the needs of these astronomical projects and institutions to improve their resource planning and implementation of operational connections between these distant facilities and users in the continental US and Latin-American Countries.

Please email your presentation to vchergar at by April 10, 2021.

NOTE: The agenda can be changed to accommodate different time zones.

SAACC Meeting Agenda

Corresponding time zones (start time):

Miami, USA Tue, Apr 13, 2021 at 11:00 am EDT
Los Angeles, USA Tue, Apr 13, 2021 at 8:00 am PDT
Rio de Janeiro, Brazil Tue, Apr 13, 2021 at 12:00 noon BRT
Santiago, Chile Tue, Apr 13, 2021 at 11:00 am CLT
Berlin, Germany Tue, Apr 13, 2021 at 5:00 pm CEST
Paris, France Tue, Apr 13, 2021 at 5:00 pm CEST
London, United Kingdom Tue, Apr 13, 2021 at 4:00 pm BST

Tuesday, April 13, 2021
11:00 – Welcome | Download presentation

Session I: Science Requirements & Activities Updates

11:10 – Vera C. Rubin Observatory Construction, US-ELT (Jeffrey Kantor & Cristian Silva) | Download presentation
11:30 – Vera C. Rubin Observatory Operations (Bob Blum)| Download presentation
11:50 – NOIRLab (Eduardo Toro and Mauricio Rojas)| Download presentation
12:15 – NRAO (David Halstead, Adele Plunkett)| Download presentation
12:35 – ALMA (Jorge Ibsen)| Download presentation
12:55 – CCAT (Mike Nolta)| Download presentation
13:05 – Refreshment Break
13:35 – GMTO (Sam Chan)| Download presentation
14:55 – Simons Observatory (Simone Aiola)| Download presentation
15:15 – CMB-S4 (Julian Borrill)| Download presentation
15:35 – ngVLA (Rob Selina)| Download presentation
15:55 – ngEHT (Kari Haworth)| Download presentation
16:05 – Open Discussion/Coordination

Wednesday, April 14, 2021
11:00 – Welcome

Session II: Providers updates

11:10 – AmLight1: Goals of the new AmLight-ExP project (Julio Ibarra) | Download presentation
11:30 – AmLight2: Evolving the AmLight-ExP SDN Framework (Jeronimo Bezerra) | Download presentation
11:50 – REUNA (Albert Astudillo) | Download presentation
12:10 – RedCLARA (Luis Eliécer Cadenas) | Download presentation
12:30 – RNP (Eduardo Grizendi) | Download presentation
12:50 – Refreshment Break
13:20 – TENET/SANReN (Shukri Wiener) | Download presentation
13:40 – ESnet (Paul Wefel) | Download presentation
14:00 – Internet2 (Chris Wilkinson) | Download presentation
14:20 – SLAC (Mark Foster) | Download presentation
14:40 – Open Discussion/Coordination
15:00 – Adjourn

Rubin Observatory NET Meeting Agenda

Corresponding time zones (start time):

Miami, USA Thu, Apr 15, 2021 at 11:00 am EDT
Los Angeles, USA Thu, Apr 15, 2021 at 8:00 am PDT
Rio de Janeiro, Brazil Thu, Apr 15, 2021 at 12:00 noon BRT
Santiago, Chile Thu, Apr 15, 2021 at 11:00 am CLT
Berlin, Germany Thu, Apr 15, 2021 at 5:00 pm CEST
Paris, France Thu, Apr 15, 2021 at 5:00 pm CEST
London, United Kingdom Thu, Apr 15, 2021 at 4:00 pm BST

Thursday, April 15, 2021

11:00 – Welcome and Introductions
11:20 – Session 1: LHN Specifications and Design Documents Catalog  – Julio Ibarra and Jeff Kantor
11:40 – Session 2a: Updates about the physical networks in Chile and Brazil – Julio Ibarra moderator
12:20 – Session 2b: Updates about the physical networks International and CONUS – Phil DeMar moderator
13:20 – Scheduled Break (30 minutes)
13:50 – Session 3: Updates to LSE-78 Rubin Observatory Network Design Document – Jeff Kantor moderator
14:20 – Session 4: Updates to LSE-479 Rubin Observatory Network Technical Document – Julio Ibarra moderator.
14:50 – Wrap up and Actions
15:00 – Adjourn

Friday, April 16, 2021

11:00 – Welcome – Julio Ibarra and Jeff Kantor
11:10 – Session 5: End-to-end Test Plan and Performance: measurement and QoS- Julio Ibarra moderator
12:10 – Session 6: Rubin Observatory Networks Verification – Phil DeMar moderator
13:10 – Scheduled Break (30 minutes)
13:40 – Session 7: Operations Contracts, SLOAs, MOAs, baselining the O&M plan, and establishing the Virtual NOC – Phil DeMar moderator
14:10 – Closure and Next Steps
14:30 – Adjourn


Register in advance for this meeting:


CIARA will support virtual participation through video conferencing systems using ZOOM.

*Please sign to ZOOM with your name. For security reasons, we will have to drop the participants signed without a name.

How to use ZOOM instructions

  • Create a Zoom account for a more streamlined approach to our conference.
    • To download the Zoom software, visit
      • Click on the blue “Download” button under the section, “Zoom Client for Meetings.”
      • Open the download “Zoom.pkg” and follow the installation instructions.
  • Helpful Commands in Zoom:
    • Share your screen
      • Please wait for the host to make you a presenter
      • Click on “screen share” and select your presentation
    • “Away” Status
      • Please use the away icon if you step away, as we don’t have many breaks built into the schedule.
      • Click on your profile icon in the top right corner. Set your status to “Away” by clicking the corresponding option in the drop-down menu.
      • Learn more about Zoom status icons here.
    • Chat:
      • While in a meeting, click “Chat” in the meeting controls.
      • This will open the chat on the right. You can type a message into the chat box or click on the drop down next to To: if you want to send a message to a specific person.
      • When new chat messages are sent to you or everyone, a preview of the message will appear and Chat will flash orange in your meeting controls.
    • Gallery View:
      • In the Zoom client, click “Settings,” and then click “Video” to display the video settings page.
      • Enable the option “Display up to 49 participants per screen in Gallery View.”
      • Start or join a meeting.
      • Click “Gallery View” in the top-right corner.
        • If the meeting has 49 or fewer attendees, all of them are displayed on a single page. If more than 49 attendees are in the meeting, 49 thumbnails are displayed on each page.
      • Learn more about Gallery View here.
    • Hide Non-Video Participants
      • When you are in “Gallery View,” right-click on any participant that either has their video off or dialed in via telephone, or you can click on the 3 dots at the upper right of their participant box.
      • Choose “Hide Non-Video Participants” to hide all users with their video off. 
      • To show non-video participants again, click “Total non-video participants” at the top of your screen and select “Show non-video participants.”
      • Learn more about Video Layout here.
    • Polls + Q&A:
      • When a meeting host would like you to participate in a poll or answer a question, a message box will pop up on your screen. 
      • You will have a limited amount of time to submit your answers.
    • Raise Hand:
      • During a meeting, click on the icon labeled “Participants” at the bottom center of your Zoom window. 
      • At the bottom of the window on the right side of the screen, click the button labeled “Raise Hand.”
      • Click “Raise Hand” if you want to say something in the meeting. 
      • Your digital hand is now raised. Lower it by clicking the same button, now labeled “Lower Hand.