Speakers
Description
Keywords
desktop grid, grid interoperability, application porting, application hosting environment, portal
Justification for delivering demo and technical requirements (ONLY for demonstrations)
Instead of giving only talks on EDGeS we think that showing the components (3G Bridge, EDGeS VO, ported applications, gUSE/WS-PGRADE) in action is much more convincing for the EGEE users. Based on the demo experiences we hope that many VO will decide to extend its infrastrcuture with one or more DG systems. The demo explains for them the necessary steps they should do and shows the support activities EDGeS will provide for them.
Impact
Based on the bridge technology and application porting methodology any EGEE user community and VO can extend its available VO resources with a large number of DG resources that can support the applications of the given EGEE user community. The extending DG could be a public volunteer DG in which case home PCs can be involved in the processing of the applications of the user community. The other option is to extend the VO with local DGs. In this case the partner institutions of the given VO can set up their own local DGs connecting the available PCs of the institutions to these local DGs. In this way the available EGEE resources can significantly be extended by inexpensive home and institutional desktops. This will contribute to the sustainability of EGEE. EDGeS will help EGEE VOs to connect to DGs and to port their applications to the DGs. gUSE/WS-PGRADE will provide an easy to use access to all the VOs and connected DGs so even novice users can use the enhanced EGEE infrastructure.
URL for further information
http://www.edges-grid.eu/
Conclusions and Future Work
EDGeS provides a bridge technology by which EGEE user communities can extend the EGEE infrastructure with inexpensive and already available desktops. EDGeS also helps the EGEE users in porting gLite applications to the extended EGEE system both by creating a porting methodology and by providing free application porting support service. gUSE/WS-PGRADE helps EGEE users to develop new applications for the extended EGEE system, to archive applications in a repository and to be used by novice users.
Detailed analysis
The 1st part shows the steps in how to extend an EGEE VO with a DG system. The EGEE VO should install an EDGeS CE that can submit jobs to the EDGeS 3G Bridge. The server of the connected DG should be extended with the 3G Bridge. Afterwards, any EGEE application running in the VO can be transparently transferred from the VO to the DG provided that the EGEE application is already ported to the DG. Therefore, the 2nd part demonstrates how to port EGEE applications to DGs. Both the methodology and its usage for a concrete example (EMMIL: e-market place) will be demonstrated. The demonstration will be based on the EDGeS VO that is offered for members of those EGEE VOs that are not connected yet to DGs. The EDGeS VO is already connected to the public SZTAKI DG and to the local Westminster DG. The third part shows in action the gUSE grid application hosting environment and its WS-PGRADE portal in executing workflow applications distributing the nodes of workflows between EGEE VOs and DGs.
