{"id":35709,"date":"2023-09-14T10:19:23","date_gmt":"2023-09-14T09:19:23","guid":{"rendered":"https:\/\/www.ispreview.co.uk\/?p=35709"},"modified":"2023-09-14T10:24:01","modified_gmt":"2023-09-14T09:24:01","slug":"bt-trials-new-liquid-cooling-tech-for-uk-network-switches","status":"publish","type":"post","link":"https:\/\/www.ispreview.co.uk\/index.php\/2023\/09\/bt-trials-new-liquid-cooling-tech-for-uk-network-switches.html","title":{"rendered":"BT Trials New Liquid Cooling Tech for UK Network Switches"},"content":{"rendered":"

Telecoms and UK broadband giant BT<\/a> Group has joined forces with Iceotope to conduct an “industry first<\/em>” trial of “precision liquid cooled<\/em>” network switches, which will be applied to their Juniper Network QFX Series switches. In theory, this could substantially improve their energy consumption and efficiency metrics.<\/p>\n

Admittedly, anybody who works in IT or has experience building computers knows that liquid cooling of CPUs and other computer parts is nothing new. But it’s less common to see this in network switches, even though Iceotope has been plugging such technology since as far back as 2015, albeit often with companies other than Juniper.<\/p>\n

NOTE:<\/strong> This trial forms part of BT<\/a>\u2019s commitment to become Net Zero by the end of March 2031 (i.e. remove as many carbon emissions as they produce).<\/div>\n

At present it’s much more common to see network operators like BT<\/a> deploy cooling systems using air-based solutions, but these do tend to use a fair bit of energy and BT predicts that the power needed to cool all their network kit will only increase with time (systems get more efficient over time too, but demand and capabilities also rise).<\/p>\n

Liquid cooling is thus seen as one way to potentially tackle this issue and reduce costs in the process. BT is therefore exploring numerous alternative cooling techniques and in addition to its trial with Iceotope and Juniper, the company will trial the following liquid cooling systems, which are being demonstrated at their ‘Sustainability Festival’.<\/p>\n

BT’s Liquid Cooling Trials<\/strong><\/span><\/p>\n

\u00b7 Precision Liquid Cooled networking servers and data centre equipment, with Iceotope and Juniper<\/p>\n

\u00b7 Full immersion of networking servers in an immersion tank, with Immersion4<\/p>\n

\u00b7 Liquid-cooled cold plates of networking equipment in a cooling enclosure, with Nexalus<\/p>\n

\u00b7 Cooling using sprayed-on partial immersion of data centre equipment, with Airsys.<\/p><\/blockquote>\n

BT Group expects that several different cooling solutions could eventually be deployed, depending on specific location and operational requirements. The trials will aim to establish which solutions are optimal for each scenario, and the extent of potential energy savings.<\/p>\n

https:\/\/www.youtube.com\/watch?v=1wTRwfXGJk4<\/p>\n

Maria Cuevas, BT’s Networks Research Director, said:<\/strong><\/p>\n

“As the UK\u2019s largest provider of fixed-line broadband and mobile services in the UK, it isn\u2019t a surprise that over 90% of our overall energy consumption \u2013 and nearly 95% of our electricity – comes from our networks. In a world of advancing technology and growing data demands, it\u2019s critical that we continue to innovate for energy efficiency solutions. Liquid cooling for network and IT infrastructure is one part of a much bigger jigsaw but is an area we\u2019re very excited to explore with our technology partners.”<\/p><\/blockquote>\n

Typically, the new techniques are said to bring several benefits, including a 40-50% reduction in power needed to cool systems vs. air cooling, higher equipment density\u2014saving on real estate footprint (and therefore further power usage reductions), and reduced material usage\u2014reducing carbon footprint.<\/p>\n

Further, rather than heat dissipated into the air, liquid cooling systems can channel exhausted heat to be reused to heat other parts of a building (in fairness, you can do that with air cooling too, but it’s not as effective and takes up more space). Liquid cooling enabling equipment can also be deployed in more environmentally challenging environments such as areas with more contaminants (i.e. dust, humidity).<\/p>\n","protected":false},"excerpt":{"rendered":"

Telecoms and UK broadband giant BT Group has joined forces with Iceotope to conduct an “industry first” trial of “precision liquid cooled” network switches, which will be applied to their Juniper Network QFX Series switches. 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