Enterprise Grid ComputingA form of grid computing, specifically within an enterprise, resulting in an enterprise grid that includes commercial enterprise applications as a type of…
epochThe date from which time is measured. For most Unix environments, the epoch is January 1, 1970.
eventual consistencyThe method through which AWS products achieve high availability, which involves replicating data across multiple servers in Amazon's data centers.
execution aggregator sourceAn Aggregator Source (included in WS MDS) that executes an administrator-supplied program to collect information and make it available to an Aggregator…
explicit denyAn explicit deny results from a statement that has effect=deny, assuming that any stated conditions are met. Example: Deny all requests from Antarctica.
exponential backoffA strategy that incrementally increases the wait between retry attempts in order to reduce the load on the system and increase the likelihood that…
extended block mode (MODE E)MODE E is a critical GridFTP components because it allows for out of order reception of data.
External CloudA cloud computing environment that is external to the boundaries of the organization.
FC (Fibre Channel)A high-speed network technology typically used to build Storage Area Networks (SAN).
federated identity management (FIM)(FIM)Allows individuals to sign in to different networks or services, using the same group or personal credentials to access data across all networks.
federated userA user whose account resides in an account partner organization and who can access federated applications that reside in a resource partner organization.
Feedback ControlA process by which output or behavior of a machine or system is used to change its operation in order to constantly reduce the difference between the…
field weightThe relative importance of a text field in a search index. Field weights control how much matches in particular text fields affect a document's relevance…
filterA criterion you specify to limit the results when you list or describe your Amazon EC2 resources.
flavorPre-OGSI Globus description term that uniquely encompasses Machine Architecture, OS, Compiler and other attributes into a single term, for example…
flexible capacityThis flexible capacity is a key difference between cloud computing and traditional outsourcing and hosted data centers.
forkTerms used to refer to a Unix fork, supported MJS scheduler mechanism.
functionA built-in formula that performs a specialized calculation automatically.
Funnel CloudA condensation funnel extending from the base of a towering cumulus or Cb, associated with a rotating column of air that is not in contact with the ground…
GAA configuration fileA file that configures the Generic Authorization and Access control GAA libraries.
GangliaA cluster monitoring tool (re: WS MDS). See http://ganglia.sourceforge.net.
GARThe GAR (Grid ARchive) file is a single file which contains all the files and information that the container needs to deploy a service.
GGF (Global Grid Forum)The Global Grid Forum was founded in 2001 when the merger of regional grid organizations created a single worldwide one
gibibyteA contraction of giga binary byte, a gibibyte is 2^30 bytes or 1,073,741,824 bytes. A gigabyte is 10^9 or 1,000,000,000 bytes.
Gigabit and 10-Gigabit EthernetAn Ethernet technology that raises transmission speed to either 1Gbps or 10Gbps and is compatible with existing Ethernet networks.
GIIS (Grid Index Information Service )Grid Index Information Service is the database that contains indexes of resource information registered by the GRIS and other GIISs.
Global Grid ForumThe standards body for defining standard specifications for global grids. www.gridforum.org
GlobusA collaborative academic project centered at Argonne National Laboratory focused on enabling the application of grid concepts to computing.
Globus AllianceA group that conducts research and development for academic grids. The alliance, creators of the Globus Toolkit, includes representatives from Argonne…
Globus ToolkitA kit designed by the Globus Alliance to provide a set of tools based on standard grid APIs.
globusrun-wsA command line program used to submit jobs to a GRAM4 service. See the the GRAM4 Commandline page.
GME (Grid Management Entity)The grid management entity (GME) manages all of the grid components within an enterprise grid, including - Their relationships with one another, for…
GME ComponentA super-class of object that represents the management functionality within the logical GME that is associated with a grid component.
Grand ChallengeA problem that by virtue of its degree of difficulty and the importance of its solution, both from a technical and societal point of view, becomes a focus…
Grid ComponentThe grid component is a super class of object that represents every managed entity, whether physical or logical, within an enterprise grid.
Grid ComputingThe use of pools of resources onto which applications or services may be dynamically provisioned and re-provisioned to meet the goals of one or more…
grid map fileA file containing entries mapping certificate subjects to local user names. This file can also serve as a access control list for GSI enabled services and…
grid security directoryThe directory containing GSI configuration files such as the GSI authorization callout configuration and GAA configuration files.
Grid Security Infrastructure (GSI)GSI stands for Grid Security Infrastructure and is used to describe the original infrastructure of GT security, which is comprised of SSL, PKI and proxy…
GridFTPThe Grid File Transfer Program provides high-performance and reliant data transfer.
GRIS (Grid Resource Information Service)The Grid Resource Information Service is the repository of local resource information derived from information providers.
group(also referred to as a Technology Center or TC) - a unit of several Group Art Units in the mechanical, electrical, chemical or design area, managed by one…
Hadoop Distributed File System (HDFS)(HDFS)The HDFS file system stores large files across multiple machines. It achieves reliability by replicating the data across multiple hosts, and hence does…
Hardware Virtual Machine (HVM) virtualization(HVM)Lets the guest VM run as though it is on a native hardware platform, except that it still uses para-virtual (PV) network and storage drivers for improved…
hardware VPNA hardware-based IPsec VPN connection over the Internet.
Hash-based Message Authentication Code (HMAC)(HMAC)A specific construction for calculating a message authentication code (MAC) involving a cryptographic hash function in combination with a secret key.
HawkeyeA monitoring service for Condor Pools. See http://www.cs.wisc.edu/condor/hawkeye/.
health checkA system call to check on the health status of each instance in an Auto Scaling group.
HiveAn open source, data warehouse and analytic package that runs on top of Hadoop.
Homeostasis(HOH-mee-oh-STAY-sis) A state of balance among all the body systems needed for the body to survive and function correctly.
host certificateAn EEC belonging to a host. When using GSI this certificate is typically stored in /etc/grid-security/hostcert.pem.
host credentialsThe combination of a host certificate and its corresponding private key.
hosted zoneA collection of resource record sets that Amazon Route 53 hosts. Like a traditional DNS zone file, a hosted zone represents a collection of records that…
Hybrid CloudA computing environment combining both private (internal) and public (external) cloud computing environments.
Identity and Access Management (IAM)(IAM)A service that is used to authenticate access to the various services of AWS. IAM allows users to securely control access to their infrastructure and…
IETF (Internet Engineering Task Force)An open community of network designers, operators, vendors, and researchers concerned with the evolution of Internet architecture and the smooth operation…
ImageTo image a hard drive is to make an identical copy of the hard drive, including empty sectors.
Import/ExportA storage and content delivery service that accelerates the rate it takes to move large amounts of data into and out of AWS using storage devices that are…
Index ServiceAn aggregator service in WS MDS that serves as a registry similar to UDDI, but much more flexible.
InfiniBandInfiniBand is the next generation switch fabric architecture that enables increased network bandwidth (10Gbps), redundant connectivity support, shared…
information providerA "helper" software component that collects or formats resource information, for use in WS MDS by an aggregator source or by a WSRF service when creating…
Infrastructure as Service (IaaS)(IaaS)A cloud computing service model that delivers computing, storage and network resources to users via the cloud.
instanceArea of the game that is for you and your party alone.
instance familyA general instance type grouping using either storage or CPU capacity.
instance groupA Hadoop cluster contains one master instance group that contains one master node, a core instance group containing one or more core node and an optional…
instance storeDisk storage that is physically attached to the host computer for an EC2 instance, and therefore has the same lifespan as the instance.
instance store-backed AMIInstances launched from this type of AMI use an instance store volume as the root device.
instance typeA specification that defines the memory, CPU, storage capacity, and hourly cost for an instance.
Internal CloudA cloud computing-like environment within the boundaries of an organization and typically available for exclusive use by said organization.
Internet gatewayConnects a network to the Internet. You can route traffic for IP addresses outside your VPC to the Internet gateway.
Internet Service Provider (ISP)A company that provides subscribers with access to the Internet. Many ISPs are also mailbox providers.
intrinsic functionA special action in a template that assigns values to properties not available until runtime.
IP AddressA string of four numbers separated by periods used to represent a computer on the Internet.
issuerIssuer means any person who issues or proposes to issue any security. Corporations, for example, may issue stock to the public, limited partnerships may…
itemA column of information in an attribute table, for example, a single attribute of a record in an INFO data file.
ITS (Integrated Technology Services)Integrated Technology Services is a sub division of IBM Global Services providing technical support services for IBM and non-IBM platforms and products.
J2EE (Java 2 Enterprise Edition)Java 2 Enterprise Edition is the second version of the platform definition for advanced Java applications built on Enterprise Java Beans (EJB).
JavadocsJava-generated documentation files. The Globus Toolkit distribution uses this tool to automatically generate API documentation from the code itself.