GRIDS Components Jill Gemmill, UAB jgemmill@uab. edu
Copyright Jill Gemmill 2003 This work is the intellectual property of the author. Permission is granted for this material to be shared for non-commercial, educational purposes, provided that this copyright statement appears on the reproduced materials and notice is given that the copying is by permission of the author. To disseminate otherwise or to republish requires written permission from the author.
GRIDS COMPONENTS • GRIDS Center Software Suite – Grid Packaging Tools – NMI Client/Server • • • Globus Toolkit Condor-G Network Weather Service KX. 509/KCA GSI Open. SSH My. Proxy – Gridconfig Tools
Grid Packaging Tools (GPT) • a collection of packaging tools built around an XML-based packaging data format • used to create all of the Grids Center Software Suite bundles • a pre-requisite for installing GRIDS NMI software.
NMI Client/Server • All the components in NMI that were packaged using GPT have been put into a server and a client bundle • Components include: – – – Globus Toolkit Condor-G Network Weather Service (NWS) KX 509 GSI-Open. SSH My. Proxy. • Nothing is started automatically.
Globus Toolkit • Globus Toolkit can be pictured as three pillars: – Resource Management (GRAM) – Information Services (MDS) – Data Management (Grid. FTP) • All use GSI security protocol at the connection layer
Condor-G • Submit many jobs at once • Monitor jobs via convenient interface • Receive notification when jobs complete or fail • Maintain your Globus credentials • Fault-tolerant --if your machine crashes, you can still perform all of these functions when your machine returns to life.
Network Weather Service • Short-term performance forecasts based on (recent) historical performance measurements – Gathers performance measurements from specified resource. – Produces a predicted value of deliverable performance during a specified time frame for a specified resource.
KX. 509/KCA • Creates an X. 509 certificate (certificate and private key) using your existing Kerberos ticket. • Credentials can be used for https Web activity. • Allows a user to authenticate to a host running Globus software using Kerberos tickets instead of requiring user-X. 509 certificates.
GSI Open. SSH • Modified version of Open. SSH • Used to login to remote systems and transfer files between systems without entering a password • Provides a single sign-on remote login capability for the Grid.
My. Proxy • GRID credential repository • Store your Grid credentials in a My. Proxy • Retrieve a proxy credential whenever and wherever needed (no managing private key and certificate files)
Gridconfig Tools • Configure Grid technologies • Generate configuration files in native formats • Manage multiple configuration files through a uniform interface
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