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Focus The journey to 800 Gigabit The new digital applications will also generate higher data volume in the future. In order to be able to serve these applications under the additional constraint of latency requirements in the data center, the migration to 400 Gigabit, 800 Gigabit and 1.6 Tb Ethernet is necessary. Are those responsible aware of all the interdependencies? It’s about more than just highly scaled connectivity in a spine-leaf architecture. The space provided for cabling in a rack is limited and is difficult to expand after initial installation. Cabling with MPO connectivity and the HD connectors (e.g. SN) could make maximum use of the space thanks to high connection density. Three steps Despite the many unknowns, the increasing multidimensional correlations in the data center can be controlled. When a customer project is pending, three main steps are recommended: 1. First of all, the client’s objectives and business case must be understood. Specify precisely which applications and services are planned. 2. Analyze which computing and transmission services, technologies, functions are required. 3. This information is essential for designing or adapting the non-compute infrastructure needed to keep the IT systems running. As a trusted advisor, R&M supports such processes with a holistic approach and a view from a non-compute perspective. At the beginning of the project, R&M can describe interdependencies, gaps, time requirements, migration and scaling options. Suitable power supply, cooling, cabling, and suitable racks, panels and enclosures can be reliably determined as can the underlying conditions for installation, operation, maintenance and quality assurance. As a provider of integrated infrastructure solutions, R&M provides a future-oriented portfolio for data centers. It ranges from connectivity to DCIM software. This enables R&M to supply individual modules and complete infrastructures for computer rooms which are ready for installation from a single source, as well as retrofit and scale them. R&M supports data centers from analyzing and planning to implementing and managing infrastructures. 050.7290 Customer-specific data center planning, visual representations, renderings, simulations of data center rooms Integrated data center solution Partners PDU – cooling – UPS Electronic layer Access and rack monitoring Software layer Infrastructure and asset management Racks and enclosures Panels and housings (Passive) hardware layer FO cables Pre-terminated cabling systems Components 050.7366 R&M offers its customers integrated DC solutions from A to Z. | Graphic: R&M 6 | CONNECTIONS 10|2023–65
more sophisticated the integration, the more successfully data centers will be able to serve the market in the future. Insight into data center infrastructures with the DCIM software inteliPhy net The cabling must be planned for the new architecture in detail and with foresight. For the journey to 800 Gigabit and beyond, data centers need a detailed scaling and migration strategy. And that strategy has to be about more than just high density. The interdependencies between racks, cabling density, weight, cable pathways, cable management and airflow also need to be investigated. The new PDU affects everyone A current example which will also influence future planning: Where conventional connector strips were previously sufficient, remotely Smart Power Distribution Units: a cost-saving solution 050.6975 050.7137 The DCIM software inteliPhy net from R&M enables asset management of IT hardware. controllable, hydraulically-magnetically protected PDUs with network modules will soon be used. They are intended to make the electrical infrastructure safer and more intelligent. Once again, it becomes apparent that a single advance entails a number of interdependencies. The infrastructure planners have to accommodate additional bus cabling and sensors in the rack. For network planners, it is a matter of how many ports and IP addresses the intelligent PDUs take up. Operators and customer care want to know if changes and maintenance require expensive interruptions of operation. The sustainability manager needs information about power consumption. The provision of detailed information for each connected IT device helps to determine the current, contemporary PUE and to plan the data center’s energy balance in the future. Homework: Digitizing One prerequisite is that data centers also digitize their own operations. They will understand the correlations more easily if they can fully map operation in superordinate, multifunctional management software. This requires deep insight into the facilities and infrastructures on the basis of digitized data. In this way, operation managers can be relieved of their two main tasks: Planning the status of the installations of all sections and documenting their current status as well as ensuring efficient operation. The software should be able to simulate how new, additional or changed IT, applications and services affect operations. It should make it possible to develop scenarios for spaces, racks, cabling, power supply, cooling, sensors, and other gray space elements. With such a solution, those responsible could take a «virtual» future journey through their data center. They could avoid surprises, gain planning certainty, avoid oversized investments and bottlenecks, and efficiently implement customer requests. 070.5066 The ActiPower 4.0 Power Distribution Unit from R&M is intended to bring about cost- and energy-saving data center operation. The smart Power Distribution Unit ActiPower 4.0 from R&M aims to save costs and reduce power consumption in data center operation. The switching relays of the ActiPower 4.0 consume 70 % less energy than comparable products. The PDUs can withstand environmental temperatures of up to 60° Celsius. They can be managed remotely via Ethernet ports and the DCIM program inteliPhy net. They can communicate with sensors for temperature, humidity, water, smoke, vibration and door contacts. Thinking multidimensionally All this means that it’s increasingly about more than just «plug & play» or about uploading new software. Today, and in the near future, digitalization projects are deeply affecting data center processes and infrastructures. The details and deadlines of individual projects can often only be determined at short notice. There is growing recognition that data centers are increasingly dealing with multidimensional correlations. Today, it is particularly important to pay attention to the integration of non-computing areas. This is crucial in order to keep the computer room running efficiently whatever the load. That’s why it’s important to take a holistic approach. The better the IT hardware, power supply, connectivity, cooling and security solutions interact, the more cost-efficient, secure and sustainable the overall performance will be. The more comprehensively the correlations are understood and the www.rdm.com/solutions/ data-center/ www.rdm.com/ bladeshelter/ www.rdm.com/actipower- 4-0-smart-pdus-for-your-dc/ 050.7091 Carsten Ludwig Market Manager Data Center carsten.ludwig@rdm.com 10|2023–65 CONNECTIONS | 7
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