OSLO uses

• OSLO uses DNS SRV records to find the appropriate servers to query on each member company's network
• OSLO uses the XMPP protocol suite to transport messages.

OSLO assumes

• OSLO assumes that members already have a database holding user locations and a way to query this
• User locations are updated manually or automatically
• All user locations have a latitude and longitude

OSLO requires

• additional DNS srv records
• a server that will answer server-to-server XMPP formatted queries
• a server that will answer XMPP formatted publish-subscribe queries
• a "nearby server" that will answer nearby queries from participating networks

DNS Server

DNS SRV records are added to define where the following are located:

• XMPP server
• publish subscribe server
• nearby server

• To be written up

XMPP server

• To be written up

Publish Subscribe server

• To be written up

Nearby Server

• To be written up