S3 (Amazon Simple Storage Service) - permalink

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  • Amazon Simple Storage Service (S3) is the distributed storage component of the AWS platform. It can read, write, and delete objects representing data ranging from 1 byte to 5 gigabytes. You can use S3 to store, replicate, and persist an unlimited amount of objects in the cloud. However, you should not think of S3 as a local disk and attempt to run your database from S3. S3 simply stores "objects" or files, in "buckets" (folders). Since there are no directories in S3, each bucket is given a unique identifier. You can also have multiple buckets under one account. Many customers serve static files such as images or video directly from S3 instead of having them stored on a local disk. This gives them virtually infinite storage capacity for their files without purchasing any hardware. For more information visit: http://aws.amazon.com/s3.
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  • Browse Related Terms:   bucket,   key,   Object

SAAJ - permalink

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SaaS (Software as a Service) - permalink

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  • refers to specialised companies who provide a very specific stack and support for that stack so as to get rid of the need for any technical headaches, e.g. where the cloud gets rid of the need for predicting growth rates (aka server purchases), SaaS gets rid of the need to maintain, update and support the specific piece of software you are running. While it does not get rid of the need for the local IT department, it does get rid of the need to call your local IT department anytime you want an update done or a bug fixed. In terms of the stack, SaaS offers technical support for all the component layers beneath it. Accordingly, In the case of Fedorazon, we have preconfigured a PaaS stack so anyone who wanted to provide the human stack component layer atop could call themselves a repository SaaS provider. Examples of SaaS: GDocs, WordPress.com, etc.

  • David F. Flanders - Cite This Source - This Definition
  • Browse Related Terms:   AWS (Amazon Web Services),   cloudcenter,   PaaS (Platform as a Service),   roaming workloads,   service,   SLA (Service Level Agreement),   The Cloud,   The Stack

SAN - permalink

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SASL - permalink

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Scale Out - permalink

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scale up - permalink

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scheduler - permalink

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scheduler adapter - permalink

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Scheduler Event Generator (SEG) - permalink

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  • The Scheduler Event Generator (SEG) is a program which uses scheduler-specific monitoring modules to generate job state change events. Depending on scheduler-specific requirements, the SEG may need to run with privileges to enable it to obtain scheduler event notifications. As such, one SEG runs per scheduler resource. For example, on a host which provides access to both PBS and fork jobs, two SEGs, running at (potentially) different privilege levels will be running. One SEG instance exists for any particular scheduled resource instance (one for all homogeneous PBS queues, one for all fork jobs, etc). The SEG is implemented in an executable called the globus-scheduler-event-generator, located in the Globus Toolkit's libexec directory.


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  • Browse Related Terms:   batch scheduler,   Condor,   fork,   Hawkeye,   job scheduler,   LSF,   metascheduler,   Portable Batch System (PBS),   scheduler,   scheduler adapter

Secure Interface - permalink

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secure network - permalink

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security group - permalink

All > Technology > Parallel Computing > Cloud Computing > Amazon Web Services > Amazon EC2
  • A security group is Amazon's version of a firewall that includes some additional features. It allows you to specify certain security settings on an instance specific basis. You have the ability to filter traffic based on IP's (a specific address or a subnet), packet types (TCP, UDP or ICMP), and ports (or a range of ports). You can also grant access to an entire security group. This allows your trusted machines to access each other without having to open ports to the public.
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  • Browse Related Terms:   array,   Group,   public access,   SSH Key

self-healing - permalink

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server-config.wsdd - permalink

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Server Provisioning - permalink

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Service Characterization - permalink

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