December 2007IETF70 - ECRIT1 Synchronizing Location-to- Service Translation (LoST) Servers draft-schulzrinne-lost-sync-00 Henning Schulzrinne.

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Presentation transcript:

December 2007IETF70 - ECRIT1 Synchronizing Location-to- Service Translation (LoST) Servers draft-schulzrinne-lost-sync-00 Henning Schulzrinne

December 2007IETF70 - ECRIT2 Motivation Synchronization of forest guides (FG), resolver clusters and authoritative servers (AS) Particularly if operated by different jurisdictions or across different vendors –may not be able to use standard database sync

December 2007IETF70 - ECRIT3 Peering FG - FG AS - FG, AS - AS AS push coverage regions “up” the tree, towards the FG –create summaries manually configured peering relationships –long-term static

December 2007IETF70 - ECRIT4 Peering western Canada YT BC AB pushMappingsRequest FGs.ca.us

December 2007IETF70 - ECRIT5 Distribution (push) pushed to peers –can be summary replace existing mappings with same id

December 2007IETF70 - ECRIT6 Example pushMappingsRequest <mapping sourceId="lost:leonia.nj.us.example" version="1" lastUpdated=" T01:00:00Z" timeToLive=" T01:00:00Z"> Leonia Police Department... add or update mapping delete mapping

December 2007IETF70 - ECRIT7 Pull synchronization provide current list of mappings obtain missing or updated mappings <m source="lost:authoritative.example” sourceId="abc123" version="1"/>

December 2007IETF70 - ECRIT8 Open Issues - still... WG document? Error conditions Update according to LoST