Initiator

Where is the XMPP Server?

DNS Server

DNS SRV Lookup

Location of XMPP Server

Initiator

Open a chat room at the XMPP Server

Initiator

xmpp://PhonetService@server

Invite People to Join the Chat

Subscribe to the service

Initiator

Where is the network controller?

Network Controller

Send query message to a pre-defined multicast address

Network controller listens on the address and gets the message

IP/Port of the controller

Initiator

The list of participants

Help me install my network

Network Controller

Initiator

Install the routes between phones

Network Controller

Initiator

Where is the NOX?

NOX

Send a discovery message to a pre-defined multicast address

NOX listens on the address and gets the message

IP/Port of NOX

Initiator

NOX

Open a chat room at the Server

Initiator

xmpp://PhonetService@NOX

Invite People to Join the Chat

NOX

Subscribe to the service

Initiator

Install the routes between phones

Network Controller