Authentication:

1. User enters into the portal.
2. Portal directs to SSO
3. Portal grants authorisation

1. Portal is running with metadata and file catalogue
2. EGICheckin <-> B2Access, EISCAT idp

Data access:

1. User selects data
2. Portal accepts authorisation
3. Portal directs to data store
   
   

1. Dirac file catalogue
2. dirac → sso
3. Dirac

Computation:

1. Data selected
2. Software selected/uploaded
3. Data staging at HPC
4. Processing of data
5. Results presented

1. Dirac
2. Dirac → HPC
3. B2Stage
4. HPC, VMs
5. Visualisation, B2drop, B2share