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1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Page 1: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Grid Activity Summary

»Grid Testbed» CFD Application» Virtualization

» Information Grid

»Grid CA

Page 2: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Grid Computing Testbed

» Internal Level» NECTEC conducts tests of Globus Toolkit 4

for following issues: Middleware Pre-WS and WebServices components CFD on Grid Gfarm file system

Page 3: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Grid Computing Testbed

»National Level» NECTEC cooperates with Thai National Grid

Project (TNGP) to set Thailand Grid community standards.

Page 4: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Grid Computing Testbed

» International Level» NECTEC has been an active

member of PRAGMA resources and data working group.

» Improve the interoperabilityof Grid middleware in the Asia Pacific region and make Grid enable to use for scientists.

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» Computation requirements for CFD very high.

» Nevertheless, some major challenges still exist in CFD research; for examples, turbulence research and very-large-scale CFD simulations.

CFD on Grid

» Grid provides dependable, consistent, pervasive and inexpensive access to high-end computational capability.

» We investigate the feasibility and scalability of cross-platform simulation paradigms for a fine-grain applicationas CFD application on our Grid testbed.

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CFD on Grid» Hardware

» Grid64 Cluster (Itanium2 1.4GHz, 4 nodes)

Memory 4 GB Network 100 Mbps

» Grid3 Cluster (AMD Athlon 1.6GHz, 2 nodes)

Memory 1 GB Network 100 Mbps

» Software» Rock Cluster version 4.1» GT 4.0.2 (Pre-WS)» MPICH-G2 version 1.3.7» Intel Complier version 8» PBS scheduler

Page 7: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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CFD on Grid

»Some Remarks» Grid infrastructure with independency of

public IP.» Ability to do job migration automatically.» Dedicated Grid environment for fine-grain

applications such as CFD application.» Improvement of algorithm for high latency

Grid infrastructure.

Page 8: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Virtualization» Collaboration with KMITNB and

ThaiGrid» Implementation of Virtualization

Clusters based on Xen, ROCKS, and ThaiGrid Roll

» Initial Study to implement “Virtual Cluster” based on ThaiGrid Roll

» Study virtualization overhead and efficiency

» Results:» Single VM performance close to

native machine» Significant performance

deficiency in case of parallel machines

» More appropriate for High-Throughput Computing

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Information Grid

» A generic infrastructure that facilitates the integration of any information anywhere across heterogeneous data sources under grid environment.

RDBMS

RDBMS

File Server

XMLDBFile Server

FTP Server

RDBMS

Web Server

Information Broker

Information Service

Application

MDL

MDL

MDL

Marker Directory Service

Information ServiceInformation

Service

Information Service

Information Service

Information Service

Information Service

Information Service

MDL

MDL

MDL

MDL

MDL

MDL Information Broker

Information Broker

Page 10: 1 Grid Activity Summary » Grid Testbed » CFD Application » Virtualization » Information Grid » Grid CA

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Information Grid Architecture

Applications

Standard

Integration

Discovery

Transformation

Data Source

RDBMS

RDBMS

File Server

XMLDBFile Server

FTP Server

RDBMS

Web Server

Information Broker

Information Service

Application

MDL

MDL

MDL

Marker Directory Service

Information ServiceInformation

Service

Information Service

Information Service

Information Service

Information Service

Information Service

MDL

MDL

MDL

MDL

MDL

MDL Information Broker

Information Broker

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Information Grid Characteristics

» Provide standard mediated schemas.

» Provides seamless information integration independent of local schemas and data sources.

» Forms a virtualization of data sources to enable an integration of any information available in any data sources.» within a single domain and across domains » within a single or multiple data sources

» Retrieve information available in distributed and heterogeneous data sources.» query reformulation» schema matching» standard result transformation

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NECTEC GOC CA

» A digital certificate issuer developed specifically to support authentication for Grid resources.

» Developed under X.509 Public Key Infrastructure by Large Scale Simulation Research Laboratory (LSR), National Electronics and Computer Technology Center.

» A issues certificates to users, hosts and services.

» Current Status:» Production Level CA under APGrid PMA» ~ 10 Certificates issued (all for internal users)

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NECTEC GOC CA»Collaboration