Intelligent Data Centres Issue 14 | Page 20

DATA CENTRE PREDICTIONS by current data centre and telecom network infrastructure. 3. 5G deployments will be in full swing, with latency a fraction of 4G and bandwidth a serious multiple (10–100 times faster than 4G). It’s going to be an exciting time for consumers looking for faster speeds and HD content. But also, it will be an interesting time for organisations looking to take the next step in Digital Transformation. This year, telecom energy leaders will architect a new energy network strategy for wide-spread 5G adoption. When 5G is fully deployed, it’s going to have a major impact on the energy fabric for the operator and the country itself. But balancing data and energy consumption is not just an issue for the operator, it’s a growing issue for the consumer. Today’s consumers want a bigger digital footprint but at the same time, want a smaller carbon footprint. The ideal scenario is that data centres and telecom operators use their electrical infrastructure to help grid operators procure more green energy. Thankfully, such energy-aware technology exists, we just need to see the will to adopt it on a wide scale. In the end, if we prioritise renewable energy and decarbonise electricity, consumers don’t have to feel digital guilt. Changing pace for the data centre 1. 20 Many applications were born and operate exclusively in the cloud. Looking back, the data centres hosting these applications became a Issue 14 MORE DATA CENTRES ARE GOING TO BE DESIGNED WITH ON-SITE GENERATION. natural home for many organisations seeking efficiencies by moving applications to both public and private cloud platforms. In addition to the hyperscale cloud data centres, the multi-tenant data centre sector also grew. This year, the growth in both sectors is expected to continue at an accelerating pace as more organisations tend towards ‘off site’ strategies and more new business models and processes exploit cloud efficiencies. But there is also a third data centre sector, the national multi- tenant data centre operator. These are more local in terms of nature and their business models. They provide local clients with the benefits of off-site strategies, but at the same time provide ample and facilitated access for company IT professionals to conduct work, upgrades and operations at the data centre. Some companies want the benefit afforded by cloud and commercial data centres but do not want to lose control of assets and data. Perhaps not to the ‘headline-grabbing’ scale of the big international data centre operators, but these national data centres are numerous, provide an essential service and form a significant part of our digital landscape. Digital Transformation is borderless and benefits organisations of every size, so as it spreads so too does the need for international and national data centre capacity. 2. We’ll see a measured shift in the number of creative ways to cool data centres – particularly by direct liquid cooling. As the processing power of compute increases, so does the heat generated. For every kW of electrical energy consumed in a data centre, there is another kW needed to cool the equipment and keep it in its operational temperature range. Instead of cooling the entire space with either mechanical or free air cooling at a certain power density, a more direct or targeted cooling approach can be deployed. This can be done by immersion cooling, where entire servers are submerged into tanks of thermally conductive, but not electrically conductive liquid, or by direct liquid cooling whereby the electronics and heat sink on the motherboard can be encapsulated in a manifold and a liquid flow removes the heat. 3. More data centres are going to be designed with on-site generation and there are various reasons why. The site selection process for a data centre is a complex task. One major parameter is the availability of sufficient grid power. A location might be ideal in all areas but then falls short because the power isn’t available to the level or timeline needed. Moving forward, operators can look to onsite generation for primary power as the formation of their own microgrids can offer many benefits. In addition to meeting their own energy needs, the operator may even decide to export power and use the facility for other ancillary grid services. These on-site solutions can vary from complimentary PV panels to large scale gas or diesel turbines. But serious considerations must be given to balance this practical need with the green energy objectives. ◊ www.intelligentdatacentres.com