Cloud computing  is the on-demand availability of computer system resources , especially data storage cloud storage and computing power , without direct active management by the user. If the connection to the user is relatively close, it may be designated an edge server. Clouds may be limited to a single organization enterprise clouds   , or be available to multiple organizations public cloud. Cloud computing relies on sharing of resources to achieve coherence and economies of scale. Advocates of public and hybrid clouds note that cloud computing allows companies to avoid or minimize up-front IT infrastructure costs. Proponents also claim that cloud computing allows enterprises to get their applications up and running faster, with improved manageability and less maintenance, and that it enables IT teams to more rapidly adjust resources to meet fluctuating and unpredictable demand,    providing the burst computing capability: high computing power at certain periods of peak demand. Cloud providers typically use a "pay-as-you-go" model, which can lead to unexpected operating expenses if administrators are not familiarized with cloud-pricing models. The availability of high-capacity networks, low-cost computers and storage devices as well as the widespread adoption of hardware virtualization , service-oriented architecture and autonomic and utility computing has led to growth in cloud computing. Cloud computing was popularized with Amazon. References to the phrase "cloud computing" appeared as early as , with the first known mention in a Compaq internal document.
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Return to The Daily Dug. DUG is building a unique cloud service tailored specifically to the geophysics community. The new service, DUG McCloud, will be backed by a huge geophysically-configured supercomputer in a purpose-built exascale compute facility. Plans, power, and space are in hand to expand the facility beyond an exaflop.
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CmWAN gives you the option of operating a cloud-based license server for your users. The first project uses CodeMeter to protect sensitive digital documents. Depending on the type of license, the users can access only a defined part of the documents. This can be done either via a license portal or by a local activation assistant. The online version is stored on a cloud server. The users authenticate themselves with the server for access to the documents allowed by their licenses in CodeMeter License Central. This allows the licenses of authorized users to be used simultaneously on their offline PCs and in the cloud. The license is kept by the software vendor in the cloud. This gives users the flexibility to use the software on any PC of their choosing. For this project, the CmWAN Server and a reverse proxy were used to take over identification and authentication of users.