...

Arguments for add:
netid of owner
nodename (needs to be unique, and NOT exist already in the system)
client category (DS,MW,WS)
Client OS (Windows, Mac, Unix)
interval (backup time, or never)
PTAEO, passed as six five separate strings

Add method needs to return an error code indicating whether or not the add request was accepted, and for errors should indicate the problem with the data.

...

• returns:
  nodename (needs to be unique, and NOT exist already in the system)
  client category (DS,MW,WS)
  Client OS (Windows, Mac, Unix)
  interval (backup time, or never)
  PTAEO, passed as six five separate strings

update()

Arguments for update:
netid of owner
nodename (needs to be unique, and already exist)
client category (DS,MW,WS)
Client OS (Windows, Mac, Unix)
interval (backup time, or never)
PTAEO, passed as six five separate strings

update method needs to return an error code indicating whether or not the add request was accepted, and for errors should indicate the problem with the data.