Middleware

REMS

Resource Entitlement Management System (REMS)

REMS (Resource Entitlement Management System) is a tool for managing access rights to resources, most importantly scientific datasets. A researcher can fill in a data access application which REMS then circulates to the dataser owner (or his/her representative(s)) for review and approval. REMS provides also necessary reporting functionality and the integrations to the dataset catalogue (for dataset metadata import to REMS) and the Policy Enforcement Point (for enforcing the access rights granted on REMS).

REMS has been originally developed for the ELIXIR research infrast

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.

Dynamic federations: storage aggregation using open tools and protocols

Dynamic federations: the Uniform Generic Redirector (UGR) (Dynamic federations: storage aggregation using open tools and protocols)

The Unifor Generic Redirector (UGR) is the core of the Storage federation system that we designed and built to match with the existing and upcoming Grid-related data management architectures. The system is able to federate storage sites and metadata endpoints that expose a suitable data access protocol, into a transparent, high performance storage federation that exposes a unique name space. The architecture can accommodate LFN/PFN algorithmic name translations without the need of catalogues. On the other hand,

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

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

WNoDeS

Worker Nodes on-Demand Service (WNoDeS)

The Worker Nodes on Demands Service (WNoDeS) is a software INFN is developing. It is built around a tight integration with a LRMS (a "batch system") and is running in production at the INFN Tier-1 Computing Center. Its main characteristics are:

  • Full integration with existing computing resource scheduling, policing, monitoring and accounting workflows.
  • On-demand virtual resource provisioning and VLAN support to dynamically isolate Virtual Machines depending on service type / customer requests.
  • Support for users to select and access WNoDeS-based resources thro

mpi-start

mpi-start

mpi-start is a set of scripts to close the gap between the workload management system of a Grid insfrastructure and the configuration of the nodes on which MPI applications are run. The package is used to help the user start MPI applications on heterogeneous Grid sites.

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

APEL

Accounting Processor for Event Logs (APEL)

APEL is an accounting tool that collects accounting data from sites participating in the EGI and WLCG infrastructures as well as from sites belonging to other Grid organisations that are collaborating with EGI, including OSG, NorduGrid and INFN. The accounting information is gathered from different sensors into to a central accounting database where it is processed to generate statistical summaries that are available through the EGI/WLCG Accounting Portal. Statistics are available for view in different detail by Users, VO Managers, Site Administrators and anonymous users according to wel

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