Last modified by Wai-Tim Ng on 2019/11/04 08:52
From version < 9.1 >
edited by Wai-Tim Ng
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1 -3.1. Hardware and infrastructure
1 +2.1. Hardware
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1 -XWiki.Tim
1 +XWiki.bdebre
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1 -Index [[image:38c0504de9.jpg||alt="The VSC-3 located in Vienna" height="131" style="float:right" width="197"]]
1 +**Cloud storage** is a model of data storage in which the digital data is stored in logical pools, the physical storage spans multiple servers (and often locations), and the physical environment is typically owned and managed by a hosting company. These cloud storage providers are responsible for keeping the data available and accessible, and the physical environment protected and running. People and organizations buy or lease storage capacity from the providers to store user, organization, or application data.
2 2  
3 -* Cloud computing
4 -* Cloud storage
5 -* Computer cluster
6 -* Supercomputer
7 -* Vienna Scientific Cluster
3 +[[https:~~/~~/en.wikipedia.org/wiki/Cloud_storage>>url:https://en.wikipedia.org/wiki/Cloud_storage]]
8 8  
9 -[[**Cloud computing**>>https://en.wikipedia.org/wiki/Cloud_computing]] enables access to shared pools of configurable system resources and higher-level services that can be rapidly provisioned with minimal management effort, often over the Internet. Cloud computing relies on sharing of resources to achieve coherence and economies of scale, similar to a public utility.
5 +**Cloud computing** enables access to shared pools of configurable system resources and higher-level services that can be rapidly provisioned with minimal management effort, often over the Internet. Cloud computing relies on sharing of resources to achieve coherence and economies of scale, similar to a public utility.
10 10  
11 -[[**Cloud storage**>>https://en.wikipedia.org/wiki/Cloud_storage]] is a model of data storage in which the digital data is stored in logical pools, the physical storage spans multiple servers (and often locations), and the physical environment is typically owned and managed by a hosting company. These cloud storage providers are responsible for keeping the data available and accessible, and the physical environment protected and running. People and organizations buy or lease storage capacity from the providers to store user, organization, or application data.
7 +[[https:~~/~~/en.wikipedia.org/wiki/Cloud_computing>>url:https://en.wikipedia.org/wiki/Cloud_computing]]
12 12  
13 -A [[**computer cluster**>>https://en.wikipedia.org/wiki/Computer_cluster]] (i.e. VSC-1/2/3) is a set of loosely or tightly connected computers that work together so that, in many respects, they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software. The components of a cluster are usually connected to each other through fast local area networks, with each node running its own instance of an operating system. In most circumstances, all nodes use the same hardware and the same operating system.
9 +A **supercomputer** is a computer with a high level of performance compared to a general-purpose computer. Performance of a supercomputer is measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS). Supercomputers play an important role in the field of computational science and are used for a wide range of computationally intensive tasks in various fields, including quantum mechanics, weather forecasting, climate research, and molecular modeling.
14 14  
15 -A [[**supercomputer**>>https://en.wikipedia.org/wiki/Supercomputer]] is a computer with a high level of performance compared to a general-purpose computer. Performance of a supercomputer is measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS). Supercomputers play an important role in the field of computational science and are used for a wide range of computationally intensive tasks in various fields, including quantum mechanics, weather forecasting, climate research, and molecular modeling.
11 +[[https:~~/~~/en.wikipedia.org/wiki/Supercomputer>>url:https://en.wikipedia.org/wiki/Supercomputer]]
16 16  
17 -The[[ **Vienna Scientific Cluster**>>http://vsc.ac.at/home/]] (VSC) is a collaboration of several Austrian universities that provides supercomputer resources and corresponding services to their users. The current flagship of the VSC family is VSC-3. Installed in 2014, it is a throughput-oriented general-purpose Linux cluster with approximately 2,000 compute nodes and a few special-purpose nodes such as GPUs. It is renowned for its innovative oil cooling and unparalleled energy efficiency.
13 +A **computer cluster **(i.e. VSC-1/2/3) is a set of loosely or tightly connected computers that work together so that, in many respects, they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software. The components of a cluster are usually connected to each other through fast local area networks, with each node running its own instance of an operating system. In most circumstances, all nodes use the same hardware and the same operating system.
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19 -(% cellpadding="5" cellspacing="5" style="height:227px; width:1252px" %)
20 -|[[**Cloud computing**>>https://en.wikipedia.org/wiki/Cloud_computing]] enables access to shared pools of configurable system resources and higher-level services that can be rapidly provisioned with minimal management effort, often over the Internet. Cloud computing relies on sharing of resources to achieve coherence and economies of scale, similar to a public utility.
21 -|[[**Cloud storage**>>https://en.wikipedia.org/wiki/Cloud_storage]] is a model of data storage in which the digital data is stored in logical pools, the physical storage spans multiple servers (and often locations), and the physical environment is typically owned and managed by a hosting company. These cloud storage providers are responsible for keeping the data available and accessible, and the physical environment protected and running. People and organizations buy or lease storage capacity from the providers to store user, organization, or application data.
22 -|A [[**computer cluster**>>https://en.wikipedia.org/wiki/Computer_cluster]] (i.e. VSC-1/2/3) is a set of loosely or tightly connected computers that work together so that, in many respects, they can be viewed as a single system. Unlike grid computers, computer clusters have each node set to perform the same task, controlled and scheduled by software. The components of a cluster are usually connected to each other through fast local area networks, with each node running its own instance of an operating system. In most circumstances, all nodes use the same hardware and the same operating system.
23 -|A [[**supercomputer**>>https://en.wikipedia.org/wiki/Supercomputer]] is a computer with a high level of performance compared to a general-purpose computer. Performance of a supercomputer is measured in floating-point operations per second (FLOPS) instead of million instructions per second (MIPS). Supercomputers play an important role in the field of computational science and are used for a wide range of computationally intensive tasks in various fields, including quantum mechanics, weather forecasting, climate research, and molecular modeling.
24 -|The[[ **Vienna Scientific Cluster**>>http://vsc.ac.at/home/]] (VSC) is a collaboration of several Austrian universities that provides supercomputer resources and corresponding services to their users. The current flagship of the VSC family is VSC-3. Installed in 2014, it is a throughput-oriented general-purpose Linux cluster with approximately 2,000 compute nodes and a few special-purpose nodes such as GPUs. It is renowned for its innovative oil cooling and unparalleled energy efficiency.
15 +[[https:~~/~~/en.wikipedia.org/wiki/Computer_cluster>>url:https://en.wikipedia.org/wiki/Computer_cluster]]
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17 +The **Vienna Scientific Cluster** (VSC) is a collaboration of several Austrian universities that provides supercomputer resources and corresponding services to their users. The current flagship of the VSC family is VSC-3. Installed in 2014, it is a throughput-oriented general-purpose Linux cluster with approximately 2,000 compute nodes and a few special-purpose nodes such as GPUs. It is renowned for its innovative oil cooling and unparalleled energy efficiency.
18 +
19 +[[http:~~/~~/vsc.ac.at/home/>>url:http://vsc.ac.at/home/]]
20 +
21 +**Big data** is data sets that are so voluminous and complex that traditional data-processing application software are inadequate to deal with them. Big data challenges include capturing data, data storage, data analysis, search, sharing, transfer, visualization, querying, updating, information privacy and data source. Data sets grow rapidly - in part because they are increasingly gathered by cheap and numerous information-sensing Internet of devices such as smart phones, Earth observation sensors, software logs, etc.
22 +
23 +[[https:~~/~~/en.wikipedia.org/wiki/Big_data>>url:https://en.wikipedia.org/wiki/Big_data]]
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