64 FEED SCHOOL Glossary
Welcome to our first FEED glossary – a list of tech terms appearing in this issue TERMS OF TECH
LTO tape, optical storage, disk drives or even in the cloud, as with Google‘s cold storage service. NVMEOF NVMe stands for Non-Volatile Memory Express , which is a protocol used to allow very fast access to a SSD (solid state drive). This is generally over a PCIe connection. NVMeOF is NVMe, but over fabrics – that is, over a network. PETABYTE A petabyte is measure of data storage capacity equal to ten to the 15th power bytes – or 1000 terabytes, or 1,000,000 gigabytes, or 1,000,000,000 megabytes. James Cameron’s 3D sci-fi adventure Avatar was said to have needed 1 petabyte of storage for all of its data. SCALE-OUT Scale-out is a NAS storage architecture that can be expanded through connecting additional arrays of devices. When a scale-out storage system reaches its storage limit, it can be further expanded by adding additional nodes (computer locations). Using scale-out storage provides the ability to expand storage gradually according to business needs. SPORTSMEDIA TECH BIOMETRIC SENSORS Biometric sensors are devices that measure and gather data about the human body and performance, and are commonly used by athletes. Parameters might include heart rate, temperature, oxygen levels and galvanic skin response. Other commonly used biometric sensors are touchscreens, fingerprint recognition devices and voice sensors.
Data gathered by biometric sensors during sports performance is being used as an additional entertainment layer for fans. HAPTICS Haptics is the science of applying touch sensation and control to the user experience of interacting with computer applications. By using devices such as gloves or joysticks, users can receive feedback from an interface in the form of physical sensations, which might include heat, vibration or resistance. Haptics offers an additional dimension to an immersive environment. VOLUMETRIC VIDEO Volumetric video uses multiple cameras to stitch together moving images of the real world and display them in 3D. The content can be viewed from any angle, at any moment in time. Instead of 2D pixels, volumetric video uses 3D voxels, which are points in space that have colour value. BLOCKCHAIN CRYPTOCURRENCY Cryptocurrency is a decentralised, privately created currency, independent of a central bank, which uses encryption to record and verify the transfer off funds. Cryptocurrencies aim to simplify the transfer of wealth between individuals. The most popular cryptocurrency is bitcoin. FULL NODE A computer connected to the bitcoin network is a node . Nodes that fully verify all the rules of bitcoin are called full nodes . These download every block and transaction, and validates them against bitcoin consensus rules, providing greater security and privacy to users.
STORAGE EDGE COMPUTING
Edge computing is computing that is done at the edge of a network closer to the end user. By reducing the distance that data has to travel, edge computing can substantially improve the performance of internet- based electronic devices, resulting in less buffering and latency, and the possibility for more processing intensive content deliver or workflows over the network. FIBRE CHANNEL Fibre Channel (FC) is a high-speed network protocol used mostly for distributing data between storage devices, particularly for connecting servers to shared storage devices. FC runs between 2 and 32 Gbps and is the underpinning for many SAN (storage area network) solutions, compared to ethernet, which is commonly seen in NAS (network attached storage). NAS Network attached storage (NAS) is file-level data storage, connected to one or more diverse devices on a network. NAS is commonly used by enterprises needing a simple and scalable way for multiple users to access and exchange files easily. NEARLINE STORAGE Nearline storage (from ‘near‘ and ‘online storage’) is a type of data storage between online, immediately available storage and offline, archival storage. Material in nearline storage is that which does not require instant access or high throughput, and it is generally an inexpensive, scalable way to store large volumes of non-critical content or data. Nearline storage can be handled through a variety of solutions, including
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