Sorry for the typo. The link to the white paper is https://go.avalanche-technology.com/datacenters-in-space-whitepaper Hesham On Thu, Apr 20, 2023, 5:50 AM Hesham ElBakoury wrote: > There is a white paper on DC in space: > https://go.avalanchetechnology.com/datacenters-in-space-whitepaper > > Hesham > > On Thu, Apr 20, 2023, 2:32 AM Chris Adams > wrote: > >> Hi folks, >> >> Is there a link to the underlying assumptions in for this "data centres >> in space” story or the report? >> >> The press release mentioned *solar powerplants generating several >> hundred megawatts*. That would require a *massive* amount of solar! >> >> For context, this list here shows the largest solar plants in the US, as >> of June 2021: >> >> https://list.solar/plants/largest-plants/solar-plants-usa/ >> >> Even the smallest one, kicking out 200 Megawatts has a surface areas of >> 5.1 square kilometers, and it only goes upward from there. >> >> For this to be plausible, you’d need panels to be orders of magnitude >> more efficient than they are on land when in space, even before you think >> about how heavy it would be get multiple square kilometres of solar panel >> into orbit. >> >> C >> >> >> >> Chris Adams >> >> Executive Director >> >> w: thegreenwebfoundation.org >> e: chris@thegreenwebfoundation.org >> t: @mrchrisadams >> >> German Office >> Naunynstrasse 40 >> 10999 Berlin >> Germany >> >> See our contact page for more details >> https://www.thegreenwebfoundation.org/contact/ >> >> Book a short call with me to discuss something. >> https://cal.com/mrchrisadams >> Chris Adams >> >> Executive Director >> >> w: thegreenwebfoundation.org >> e: chris@thegreenwebfoundation.org >> t: @mrchrisadams >> >> German Office >> Naunynstrasse 40 >> 10999 Berlin >> Germany >> >> See our contact page for more details >> https://www.thegreenwebfoundation.org/contact/ >> >> Book a short call with me to discuss something. >> https://cal.com/mrchrisadams >> >> >> On 20. Apr 2023, at 07:43, Daniel Schien >> wrote: >> >> I assume any object in orbit will be hidden from the sun some of the >> time. So, the machines will require some pretty big battery to go up with >> them. >> >> I'd like to also know what the launch cost is. >> >> Tom Segert estimates in his LinkedIn post, for a 100kg satellite payload: >> >> "TL:DR ~57 ton CO2e for a typical ESA satellite (including Ariane 6 >> launch), <15t CO2e for a satellite built in a factory and launched with a >> re-usable rocket." >> >> Depending on the type of server that should go up there, this is a fair >> amount of carbon to offset from brighter sunlight. >> >> The article also gets the carbon footprint wrong: >> >> "Data centers are big energy consumers – between 2% and 3% of all global >> consumption – a rate that is doubling every year." >> >> The latest was IEA estimating it to be around 220-320 TWh (out of 30,000) >> in 2021 data and growing between 10-60% over 6 years in total (so let's >> than 10 CAGR). But it's certainly not doubling every year. That's just >> completely wrong. >> >> >> Daniel Schien >> Senior Lecturer in Computer Science >> Department of Computer Science | University of Bristol >> *Submit software engineering project ideas for 2022* >> >> bris.ac.uk/software-engineering >> Watch: https://youtu.be/lU-ZsBDFWDI >> >> Merchant Venturers Building , Woodland Rd Bristol, BS8 1UB >> *Book a meeting*: >> https://outlook.office365.com/owa/calendar/OfficeHours@bristol.ac.uk/booki >> >> ------------------------------ >> *From:* E-impact on behalf of Vint Cerf >> >> *Sent:* Thursday, April 20, 2023 2:16:38 AM >> *To:* tom@evslin.com >> *Cc:* Michael Richardson ; starlink < >> starlink@lists.bufferbloat.net>; e-impact@ietf.org >> *Subject:* Re: [E-impact] [Starlink] DataCenters in Space (was Re: fiber >> IXPs in space) >> >> O&M will be a bear >> v >> >> >> On Wed, Apr 19, 2023 at 9:13 PM Tom Evslin via Starlink < >> starlink@lists.bufferbloat.net> wrote: >> >> I think space-based data centers will be the rule rather than the >> exception. Wrote about that a couple of years ago although, as usual, >> things have not happened as quickly as I predicted >> https://blog.tomevslin.com/2021/07/computing-clouds-in-orbit-a-possible-roadmap.html >> >> -----Original Message----- >> From: Starlink On Behalf Of >> Michael Richardson via Starlink >> Sent: Wednesday, April 19, 2023 7:35 PM >> To: starlink ; e-impact@ietf.org >> Subject: [Starlink] DataCenters in Space (was Re: fiber IXPs in space) >> >> >> I saw this reported in BIS-Spaceflight. >> (I'm usually a few months behind in reading it) I like the "first >> objective"! >> >> >> https://www.thalesgroup.com/en/worldwide/space/press-release/ascend-thales-alenia-space-lead-european-feasibility-study-data >> >> Cannes, November 14, 2022 – Thales Alenia Space, the joint company >> between Thales (67%) and Leonardo (33%), has been chosen by the European >> Commission to lead the ASCEND (Advanced Space Cloud for European Net zero >> emission and Data sovereignty) feasibility study for data centers in orbit, >> as part of Europe’s vast Horizon Europe research program. >> >> Digital technology’s expanding environmental footprint is becoming a major >> challenge: the burgeoning need for digitalization means that data centers >> in Europe and around the world are growing at an exponential pace, which in >> turn has a critical energy and environmental impact. >> >> The first objective of this study will be to assess if the carbon >> emissions from the production and launch of these space infrastructures >> will be significantly lower than the emissions generated by ground-based >> data centers, therefore contributing to the achievement of global carbon >> neutrality. The second objective will be to prove that it is possible to >> develop the required launch solution and to ensure the deployment and >> operability of these spaceborne data centers using robotic assistance >> technologies currently being developed in Europe, such as the EROSS IOD >> demonstrator. >> >> This project is expected to demonstrate to which extent space-based data >> centers would limit the energy and environmental impact of their ground >> counterparts, thus allowing major investments within the scope of Europe’s >> Green Deal, possibly justifying the development of a more climate-friendly, >> reusable heavy launch vehicle. Europe could thus regain its leadership in >> space transport and space logistics, as well as the assembly and operations >> of large infrastructures in orbit. >> >> _______________________________________________ >> Starlink mailing list >> Starlink@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/starlink >> >> _______________________________________________ >> Starlink mailing list >> Starlink@lists.bufferbloat.net >> https://lists.bufferbloat.net/listinfo/starlink >> >> >> >> -- >> Please send any postal/overnight deliveries to: >> Vint Cerf >> Google, LLC >> 1900 Reston Metro Plaza, 16th Floor >> Reston, VA 20190 >> +1 (571) 213 1346 >> >> >> until further notice >> >> >> >> -- >> E-impact mailing list >> E-impact@ietf.org >> https://www.ietf.org/mailman/listinfo/e-impact >> >> >> -- >> E-impact mailing list >> E-impact@ietf.org >> https://www.ietf.org/mailman/listinfo/e-impact >> >