ecrit-4----Page:3
1 2 3 4 5
|
Multiple actors End users: just want mappings (EMA: “seeker”) may only be connected occasionally use different ISPs and VSPs Internet service providers no inherent interest in emergency services but want to make service reliable for their users ? EMA: resolver Emergency service authorities (only they) know authoritative data about their jurisdiction only responsible for small geographic subset of the world may not be interested in world at large hierarchically structured (e.g., country, region, county, city) ? EMA: authoritative servers in tree Mapping service providers don’t have (direct) authoritative data but can be (politically) neutral can detect colliding claims between different trees ? EMA: forest guides EMA: draft-schulzrinne-ecrit-mapping-arch |