C

GridWay

GridWay Metscheduler (GridWay)

The GridWay Metascheduler enables large-scale, reliable and efficient sharing of computing resources: clusters, supercomputers, stand-alone servers… It supports different LRMS types within a single organization or scattered across several administrative domains. GridWay provides a single point of access to all resources in an organization, from in-house systems to Grid infrastructures and Cloud providers. GridWay supports most of existing Grid middlewares, can be used on main production Grid infrastructures and can access to Cloud resources.

gLExec

gLExec

gLExec is a program that acts as a light-weight 'gatekeeper'. it takes Grid credentials as input, and takes the local site policy into account to authenticate and authorize the credentials. It will then switch to a new execution sandbox and execute the given command as the switched identity. gLExec is also capable of functioning as a light-weight control point which offers a binary yes/no result in logging-only mode.

StoRM

Storage Resource Manager (StoRM)

StoRM is a

  •     light
  •     scalable
  •     flexible
  •     high-performance
  •     file system independent
storage manager service (SRM) for generic disk based storage system, compliant with the standard SRM interface version 2.2. StoRM provides data management capabilities in a Grid environment to share, access and transfer data among heterogeneous and geographically distributed data centres.In particular, StoRM works on each

Quantum Espresso

Quantum Espresso

Quantum ESPRESSO is an integrated suite of Open-Source computer codes for electronic-structure calculations and materials modeling at the nanoscale. It is based on density-functional theory, plane waves, and pseudopotentials. Quantum ESPRESSO has evolved into a distribution of independent and inter-operable codes in the spirit of an open-source project. The QuantumESPRESSO distribution consists of a “historical” core set of packages and a set of plu

CAnL

Common Authentication Library (CAnL)

The EMI X.509 Common Authentication Library provides support for:

• off-line certificate validation,

• creation of SSL sockets (both server and client side),

• handling certificate DNs, also in text format,

• usage of proxy certificates: from proxy generation to validation.

The library provides implementation of an easy to use and flexible validation logic, which can take advantage of different trust material sources. Proxy certificates, which are commonly

GridSite

GridSite

GridSite was originally a web application developed for managing and formatting the content of the GridPP website. It has further grown into a set of extensions to the Apache web server and a toolkit for Grid credentials, GACL access control lists and HTTP(S) protocol operations. In its simplest application, GridSite uses X.509 certificates loaded into unmodified versions of web browsers like Internet Explorer, Netscape or Mozilla to authenticate users, and then grant

L&B

Logging and Bookkeeping (L&B)

Logging and Bookkeeping (LB for short) is a Grid service that keeps a short-term trace of Grid jobs and other grid-related processes as they are processed by individual Grid components. The LB was initially developed in the EU DataGrid project as a part of the Workload Management System (WMS). The development continued in the EGEE project (EGEE-II, EGEE-III respectively), where LB became an independent part of the gLite middleware. Currently we are participating in the EMI project ( see LB status in EMI, gLite Logging and Bookkeeping Product Team).

LFC

LCG File Catalog (LFC)

The LCG File catalogue (LFC) offers a hierarchical view of files to users, with a UNIX-like client interface. The LFC catalogue provides:

  • Logical File Name (LFN) to Storage URL (SURL) mappings (via a GUID);
  • Authorisation on its logical

DPM

Disk Pool Manager (DPM)

The Disk Pool Manager (DPM) is a lightweight storage solution for grid sites. It offers a simple way to create a disk-based grid storage element and supports both standard (HTTP/S, NFS 4.1/pNFS) and grid specific protocols (SRM, gridFTP, XROOTD, RFIO) for file management and access.

GFAL 2.0

GFAL 2.0

GFAL2 is a framework for Grid and Cloud file access, file transfer and file management.

The GFAL 2.0 library : The GFAL 2.0 library (gfal2-core) provides a unified and protocol-generic API for file access, file transfer and file management operations in Grid and Cloud environments. GFAL 2.0 allows to build applications using the Grid technologies ( file, GridFTP, RFIO, Dcap, SRM, LFC, Http/Dav, xrootd ) in a transparent manner.

The GFAL 2.0 transfer library: The GFAL 2.0 transfer library (gfal2-transfer) is an addit

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