1. Grid Architecture William E. Johnston Lawrence Berkeley National Lab and NASA Ames Research Center wejohnston@lbl.gov (These slides are available at grid.lbl.gov/~wej/Grids)

2. Distributed Resources Condor pools of workstations tertiary storage clusters national supercomputer facilities scientific instruments Internet optical networks space-based networks Grid Communication Functions Communications Basic Grid Functions... Resource Discovery Scheduling and Access to Computing Uniform Data Access Monitoring and Events security services transport services Operational Support Portals Resource Brokering Fault Management Accounting Data Management: replication and metadata Encapsulation as Web Services Encapsulation for Script Based Services Encapsulation as Java Based Services Web Portal Access to Application and Grid Services Specialized Portal Access (high performance displays, PDAs, etc.)... Services Building Blocks Services Workflow Management Applications Grids: An Emerging, Common Computing and Data Infrastructure for Science and Engineering

3. Application Domain Specific Portals Application Domain Independent Portals Grid Common Services: Uniform Access, Security, and Management of Compute, Data, and Instrument Resources MER/CIP STS/SLI Mission Analysis ES Modeling ISS Training Aviation Capacity User Environment Portals Collaboration Portals Domain Specific Web Services – Encapsulated Applications Domain Independent Grid Web Services Visualization Data Processing & Analysis Data Management Collaboration Services MonitoringEvents Workflow Management Programming Services Experiment Management Instrument & Sensor Gateways System Models Flight Simulation Computational Simulation Archive Gateways Zooming Coupling Portals: Services Presented to the Users to Accomplish Tasks Grid Web Services: Grid Functions and Application Functions Packaged for Building Portals Multi-Site Compute, Data, and Instrument Resources Grids: A Common Computing and Data Infrastructure for Science and Engineering

4. Grid Protocols and Grid Security Infrastructure Combining Grid and Web Services Clients Application Portals Web Services Grid Services: Collective and Resource Access Resources Compute (many) Storage (many) Communi- cation Instruments (various) GRAM GridFTP Data Replica and Metadata Catalog Grid Monitoring Architecture Grid Information Service Web Browser Grid Web Service Description (WSDL) & Discovery (UDDI) Grid X.509 Certification Authority SRB/ Metadata Catalogue Condor-G CORBA MPI Secure, Reliable Group Comm. Discipline / Application Specific Portals (e.g. SDSC TeleScience) Problem Solving Environments (AVS, SciRun, Cactus) Environment Management (LaunchPad, HotPage) Job Submission / Control File Transfer Data Management Credential Management Monitoring Events Workflow Management other services: visualization interface builders collaboration tools numerical grid generators etc. Apache Tomcat&WebSphere &Cold Fusion=JVM + servlet instantiation + routing CoG Kits implementing Web Services in servelets, servers, etc. Python, Java, etc., JSPs composition frameworks (e.g. XCAT) XML / SOAP over Grid Security Infrastructure Grid Protocols and Grid Security Infrastructure Apache SOAP,.NET, etc. …… http, https. etc. X Windows PDA Grid ssh