Grid Computing definitions beginning with A

Abstraction - permalink - collapse

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Changing the interface of an object and exposing it in a more useful form. Abstraction may be done by providing a layer of software which makes an object or collection of objects easier to manage by exposing a different object with a different interface.
Oracle - Cite This Source - This Definition
Abstraction involves changing the interface of an object and exposing it in a more useful or appropriate form. This may be done by providing a layer of software, or whatever, which makes an object or collection of objects easier to manage by exposing a different object with a different interface. An example of this would be presenting the user with a tier of a service, for example of tier of web servers and their associated load balancer. The user would then manage the whole tier as a single object, including web tier attributes and load balancing policies, rather than managing each individual component.
Open Grid Forum - Cite This Source - This Definition
Browse Related Terms: GASS (Global Access to Secondary Storage), GRAM (Grid Resource Allocation and Management), Policy-based Management, virtualization, VMM (Virtual Machine Monitor), VO (Virtual Organization)

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Acyclic Digraph - permalink - collapse

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Directed Acyclic Graph
Open Grid Forum - Cite This Source - This Definition
Browse Related Terms: DAG (Directed Acyclic Graph), hosting environment, standalone container

Adaptive Algorithm - permalink - collapse

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An algorithm that can learn and change its behavior by comparing the results of its actions with the goals that it is designed to achieve.
IBM - Cite This Source - This Definition
An algorithm that can "learn" and change its behavior by comparing the results of its actions with the goals that it is designed to achieve.
IBM - Cite This Source - This Definition
Browse Related Terms: Automation, Autonomic, Autonomic Computing, autonomic nervous system, Catastrophe Theory, Control Theory, Feedback Control, Workload Balancing

Adaptive Enterprise - permalink - collapse

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A marketing term used extensively by HP. An adaptive enterprise matches supply and demand of IT resources in real time, so the business can quickly manage and capitalize on change. An adaptive enterprise can synchronize its IT resources with the demands of its business environment; similar to IBMs On-Demand Business.
Oracle - Cite This Source - This Definition
Browse Related Terms: Capacity on Demand, On Demand Business, QoS (Quality of Service), Service Level Management, SLA (Service Level Agreement)

AFS (Andrew File Systems) - permalink - collapse

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The Andrew File System is a mountable networked file system.
IBM - Cite This Source - This Definition
Browse Related Terms: DFS (Distributed Files System), GPFS (General Parallel File System), logical file name, Network File System (NFS), NFS (Networked File System), physical file name

Aggregator Framework - permalink - collapse

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A software framework used to build services that collect and aggregate data. WS MDS Services (such as the Index and Trigger services) are built on the Aggregator Framework, and are sometimes called Aggregator Services.

Globus Toolkit - Cite This Source - This Definition
Browse Related Terms: aggregator services, aggregator source, execution aggregator source, Index Service, information provider, JUnit, query aggregator source, subscription aggregator source, Trigger Service, WebMDS

aggregator services - permalink - collapse

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Services that are built on the Aggregator Framework, such as the WS MDS Index Service and Trigger Service.

Globus Toolkit - Cite This Source - This Definition
Browse Related Terms: Aggregator Framework, aggregator source, execution aggregator source, Index Service, information provider, JUnit, query aggregator source, subscription aggregator source, Trigger Service, WebMDS

aggregator source - permalink - collapse

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A Java class that implements an interface (defined as part of the Aggregator Framework) to collect XML-formatted data. WS MDS contains three aggregator sources: the query aggregator source, the subscription aggregator source, and the execution aggregator source.

Globus Toolkit - Cite This Source - This Definition
Browse Related Terms: Aggregator Framework, aggregator services, execution aggregator source, Index Service, information provider, JUnit, query aggregator source, subscription aggregator source, Trigger Service, WebMDS

AI (Artificial Intelligence) - permalink - collapse

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The capacity of a computer or system to perform tasks commonly associated with the higher intellectual processes characteristic of humans. AI can be seen as an attempt to model aspects of human thought on computers. Although certain aspects of AI will undoubtedly make contributions to autonomic computing, autonomic computing does not have as its primary objective the emulation of human thought.
IBM - Cite This Source - This Definition
Browse Related Terms: Consolidate, Data Center, ITS (Integrated Technology Services), ODN (Open Data Network), Project eLiza, VPN (Virtual Private Network)

Algorithm - permalink - collapse

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A procedure, which can be written as a set of steps, for producing a specific output from a given input.
IBM - Cite This Source - This Definition
Browse Related Terms: Cybernetics, flavor, Grand Challenge, IESG (Internet Engineering Steering Group), IETF (Internet Engineering Task Force), Java Virtual Machine (JVM), Service Characterization

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GNU Open Source package used to automatically configure the source code package.

Globus Toolkit - Cite This Source - This Definition
Browse Related Terms: automake, Concurrent Version System (CVS), Javadocs

automake - permalink - collapse

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GNU Open Source used to automatically generate Makefile in files.

Globus Toolkit - Cite This Source - This Definition
Browse Related Terms: autoconf, Concurrent Version System (CVS), Javadocs

Automation - permalink - collapse

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The replacement of manual operations by computerized methods. Automation can both improve efficiency and reduce errors brought on by manual intervention.
Oracle - Cite This Source - This Definition
Browse Related Terms: Adaptive Algorithm, Autonomic, Autonomic Computing, autonomic nervous system, Catastrophe Theory, Control Theory, Feedback Control, Workload Balancing

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Autonomic - permalink - collapse

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1. Of, relating to, or controlled by the autonomic nervous system. 2. Acting or occurring involuntarily; automatic: an autonomic reflex.
IBM - Cite This Source - This Definition
Browse Related Terms: Adaptive Algorithm, Automation, Autonomic Computing, autonomic nervous system, Catastrophe Theory, Control Theory, Feedback Control, Workload Balancing

Autonomic Computing - permalink - collapse

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The capability of computer systems and networks to automatically configure themselves to changing conditions and heal themselves in the event of failure. Autonomy implies that less human intervention is required for operation under such conditions.
Oracle - Cite This Source - This Definition
An approach to self-managed computing systems with a minimum of human interference. The term derives from the body's autonomic nervous system, which controls key functions without conscious awareness or involvement.
IBM - Cite This Source - This Definition
An approach to self-managed computing systems with a minimum of human interference. The term derives from the body's autonomic nervous system, which controls key functions without conscious awareness or involvement.
IBM - Cite This Source - This Definition
Browse Related Terms: Adaptive Algorithm, Automation, Autonomic, autonomic nervous system, Catastrophe Theory, Control Theory, Feedback Control, Workload Balancing