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(file updated:  10/02/2002)   


One can point & click at a point on earth to launch the system. 




The flow of requests/queries/retrievals is:








		                  Client
                		    |
		                    |
		                    |
		                 Browser
		      <dynamically rendered web pages>   
		                    |
		                    |
		                    |          
		                Webservers 
		    <Linux Apache & PHP  & LDAP support>
                                    |
				    |
                     _______________|_________________
                    |                                 |
                    |                                 |                                     
                    |                                 |
                    |                                 |
               LDAP servers                        Collector
                    |                                 |
                    |                                 |
          	    |                                 |
      Sam Grid Information Providers               Schedulers
             [Execution Sites]                 [Submission Sites] 
                





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