1. GridSAM Overview Grid Job S ubmission A nd M onitoring Service What is GridSAM? Funded by the OMII Managed Programme (Started in Sept, 04) Client Perspective Job Submission and Monitoring Web Service that bridges to existing systems (e.g. Condor, SGE, PBS, UNICORE, …) Job described in Job Submission Description Language (JSDL) OGSA-BES Submission Interface File input and output staging Tools and simplified Java API for submission and monitoring Developer Perspective Extensible JobManager API interfacing with existing Distributed Resource Managers (DRM) Fault-tolerance and persistence Can be used as an embedded library (e.g. in Job Submission Portal, Grid Applications)

2. BES Compliance GridSAM developed initially before BES Though as a Web Service for consuming JSDL We Support two web service interfaces GridSAM – proprietary interface BES / HPCP-basic profile interface HPC File Staging Profile HPC Common Case Profile: Activity Credential Functionality is effectively identical though syntactically different

3. JSDL Compliance Developed alongside the standardization of JSDL Effectively fully compatible with JSDL (required elements) Varies depending on which DRM we backend to Extra elements for MyProxy certificates Passed to GridSAM for obtaining an X509 certificate File Staging Elements present and implemented