LocationtoURL Mapping Architecture and Framework draftietfecritmappingarch01

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Location-to-URL Mapping Architecture and
Frameworkdraft-ietf-ecrit-mapping-arch-01

• Henning Schulzrinne
• Columbia University

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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
NY US
NJ US
sippsap_at_leonianj.gov
search referral
Bergen County NJ US
Leonia NJ US
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LoST architecture
G
tree guide
G
G
G
broadcast (gossip)
T1 .us T2 .de
G
resolver
T2 (.de)
seeker 313 Westview Leonia, NJ US
T3 (.dk)
T1 (.us)
Leonia, NJ ? sippsap_at_leonianj.gov
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Status

• Incorporated comments by Murugaraj Shanmugam and
  Richard Barnes
• reviewers asked to confirm

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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
  ltlistServicesByLocationgt
• Note Not necessary to define for interoperability

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Left to do

• Comments by Matt Lepinski (mostly editorial)
• WGLC