plant

#+BEGIN_SRC plantuml :file actors.png

cloud facebook
cloud google
node [Prescience API]
agent mobiledevice
agent router 
prescienceapi -- facebook
prescienceapi -- google
mobiledevice -- facebook
mobiledevice -- google
mobiledevice -- router 
router -- prescienceapi
mobiledevice -- prescienceapi
prescienceapi -- mobiledevice
#+END_SRC

#+RESULTS:
[[file:actors.png]]

#+BEGIN_SRC wsd
  title Sequence 

  participant MobileDevice as m
  participant Router as r
  participant MobileApi as a
  participant OpenIdFederation as f

  m->r: Request router serial / mac (1.1.1)
  r->m: Router serial / mac (1.1.1)
  m->a: Unauthenticated request (1.1.2)
  a->m: Redirect to OpenId federation (1.1.2)
  m->f: Register or authenticate against federation (1.1.3)
  f->m: Redirect to api (1.1.3)
  m->a: Provision router serial / mac (1.1.4)
  a->m: Return router authentication token (1.1.4) 
  m->r: Set router authentication token and address (1.1.5)

#+END_SRC