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What are microservers, and what do they do?
Microservers are the latest evolutionary development in server design, continuing the trend for higher density, greater power efficiency and easier manageability previously seen in rack-mount and blade servers.
Microservers pack multiple low-power server nodes on blade-like cartridges into a high-density chassis that provides shared networking, power and cooling. Typical microserver workloads are those that scale optimally by adding multiple low-power nodes — simple web serving, static content delivery, offline or batch analytics and low-end dedicated hosting, for example. Processors that service these highly parallelised 'scale-out' workloads include low-power Intel Atom and ARM-based designs; single-threaded workloads that scale better with increased node performance are also accommodated on some microserver platforms, using higher-power nodes based on Intel Xeon or AMD Opteron processors.
HP Moonshot System
HP's Moonshot System is arguably the best-known microserver platform available today. According to HP, Moonshot servers use 89 percent less energy, 80 percent less space, cost 77 percent less and are 97 percent 'less complex' than traditional servers.
The HP Moonshot 1500 Chassis pictured here accommodates up to 45 server cartridges and two high-density low-power switch modules that provide traffic isolation and can be stacked for increased resilience and simplified domain management.