1. Henning Schulzrinne Columbia University
Location-to-URL Mapping Architecture and Framework draft-ietf-ecrit-mapping-arch-01
Henning Schulzrinne
Columbia University

2. LoST: Location-to-URL Mapping
VSP1
cluster serving VSP1
replicate
root information
cluster
serves VSP2
123 Broad Ave
Leonia
Bergen County
NJ US
root
nodes NJ US NY US
search
referral
Bergen County
NJ US
Leonia
NJ US

3. Leonia, NJ  sip:psap@leonianj.gov
LoST architecture G
tree guide G G G
T1: .us
T2: .de
broadcast (gossip) G
resolver T2
(.de)
seeker
313 Westview
Leonia, NJ US T3
(.dk) T1
(.us)
Leonia, NJ 

4. Status Incorporated comments by Murugaraj Shanmugam and Richard Barnes
reviewers asked to confirm

5. Open issues Text and content generally stable Role of resolver
route all requests through resolver -- including getServiceBoundary?
Caching - where and what?
just resolver or also forest guide?
caching for service boundaries and <listServicesByLocation>
Note: Not necessary to define for interoperability

6. Left to do
Comments by Matt Lepinski (mostly editorial)
WGLC