## Manager Service:
- Joblist
    - Thread safe
    - REST API (https://github.com/zalando/connexion)
        - CreateNewJob
        - DelteJobs
        - GetJobInfo
        - AlterJob
    - Scheduling
    - Ressource management

## Web Server
- serves content.
- serves forms for user request and inputs
- has copy of Joblist to display those for the user according to requests etc.
- talks to the Manager service
- Users CANNOT talk directly with the manager
- has list of all currently running user sessions (maybe used for authentication)

## Authentication via LDAP (not sure if we need that)
- university internal authentication with LDAP
- LDAP and connexion can use (OAuth 2)
    - https://ldapwiki.com/wiki/Best%20Practices%20for%20LDAP%20Security
    - https://connexion.readthedocs.io/en/latest/security.html?highlight=authentication
- university external authentication with something else


## Compute pool: Docker Cluster
- How to handle job and resource management for user Jobs and processes.
- gets requests and tasks from the manager

## File Server
- stores user input and
- output files