TERENA 2003, May 21, Zagreb TERENA Networking Conference, 2003 MOBILE WORK ENVIRONMENT FOR GRID USERS. TESTBED Miroslaw Kupczyk Rafal Lichwala Norbert Meyer Bartek Palak Marcin Plocienik Paweł Wolniewicz

TERENA 2003, May 21, Zagreb CrossGrid: 21 participants 11 countries Testbed: 16 participants

TERENA 2003, May 21, Zagreb 622 Mb/s MAN 155 Mb/s 2 Mb/s 34 Mb/s CrossGrid Cluster - Testbed CrossGrid Testbed in Poland

TERENA 2003, May 21, Zagreb Production testbedValidation testbed Computing Elements15Computing Elements3 Worker nodes69Worker nodes4 CPUs115CPUs5 Storage elements14Storage Elements3 Storage capacity2.7TBStorage capacity1.2TB CrossGrid testbed resources Interfaces: Fast Ethernet Gigabit Ethernet

TERENA 2003, May 21, Zagreb Production Resource Broker JDL Job request Resource broker Any CrossGrid User Interface JSS Central site Lisbon Any CrossGrid Remote site Cracow Lisbon Valencia Bratislava Poznan Barcelona Warsaw Thessaloniki Santiago Karlsruhe Athens Dublin I 3 1. Job requests are submitted from remote UIs 2. Jobs are sent to the RB located at LIP 3. The RB uses site information in the matchmaking 4. The RB submits the job to a CE using GRAM

TERENA 2003, May 21, Zagreb Production services Central services Monitoring LCFG VO RC RB MyProxy L I P Network Portuguese Research Network GEANT Network MyProxy RB RC VO UI Monitoring : Certification proxy : Resource broker : Replica catalogue : Virtual organisation server : User interface : Grid monitoring The CrossGrid production central services are located in Lisbon

TERENA 2003, May 21, Zagreb Available services Resource Broker –Matchmaking and load balancing scheduler. –Performs load sharing across CrossGrid sites. Certificate Proxy server –Short lived certificates for long lived processes. –Used by the applications portal and by the RB. Virtual Organizations server –Database for user authentication. –Is used to build the authorization databases of all CrossGrid sites. Replica Catalogue –Database for physical replica file location. –Central service to find the location of files in SEs. Network and Grid Monitoring –Early detection of problems in the CrossGrid testbed.

TERENA 2003, May 21, Zagreb Production systems hosted at PSNC CE + UI + LCFG Production Local Resources Working Node Storage Element Remote Access Server Certificate Authority (OFFLINE) CE UI LCFG SE UI RAS : Computing Element : User Interface : Local ConFiGuration System : Storage Element : User interface : Roaming Access Server Working Node

TERENA 2003, May 21, Zagreb Application Portal Migrating Desktop Grid Middleware Portals and Roaming Access PSNC

TERENA 2003, May 21, Zagreb Portal (CrossGrid Application Portal):  Specific application oriented GUI  Only basic GUI functionality (html,php)  Usage: system without java eg. internet cafe, airport  Thin client Migrating desktop:  More sophisticated user friendly Java based GUI  Whole environement for grid user (CrossGrid user)  Possibility of working with many grids at once  Integration of many crossgrid tools  Local and grid application support  Local and grid file management Crossgrid Graphical User Interfaces

TERENA 2003, May 21, Zagreb Portal Migrating Desktop OTHER Application Specific CLIENTS User profile management Job submission service App. support management Job monitoring service User data management LDAP VD RB L&B SE RM Roaming Access Server PSNC developes components:

TERENA 2003, May 21, Zagreb List dir Get List of files File list Upload Ack GFtp put Virtual Directory Storage Element Roaming Access Server list Preparation of job step1 „File transfer – upload”

TERENA 2003, May 21, Zagreb Roaming Access Server Parameters:XML JDL Submit Submit Info Output Filenames Resource Broker Virtual Directory Computing Element Output files Storage Element Invoke XML JDL Job placement Logging & Bookkeeping Job Started Job ID Job done Update Preparation of job step2 „ Submission mechanism”

TERENA 2003, May 21, Zagreb query All Jobs’ Identifiers Roaming Access Server Logging & Bookkeeping Show My Jobs States of my Jobs Job monitoring

TERENA 2003, May 21, Zagreb Summary... We offer the new service for open network environment. It allows the restoring the user environment on every java enabled workstation. Support for grid applications. The project is co-funded by EU: IST

TERENA 2003, May 21, Zagreb