I have been selected as the General Area Review Team (Gen-ART) reviewer for this draft (for background on Gen-ART, please see http://www.alvestrand.no/ietf/gen/art/gen-art-FAQ.html). Please resolve these comments along with any other Last Call comments you may receive. Document: draft-ietf-ecrit-mapping-arch-03.txt Reviewer: Brian Carpenter Review Date: 2007-11-22 IETF LC End Date: 2007-11-29 IESG Telechat date: (if known) Summary: Almost ready, with concerns Comments: If deployed, this would become critical infrastructure for emergency response and for disaster handling. I'm quite concerned about moving it immediately to Proposed Standard, which would amount to the IETF asserting that it's nearly ready for that critical role. It feels to me very much like something that should be the subject of a serious experimental deployment first. I know we disclaim warranty of "FITNESS FOR A PARTICULAR PURPOSE" but this is about sending ambulances to the wrong address, or not knowing where to send them after an explosion. I needed to look at draft-ietf-ecrit-lost-06.txt while reviewing the present draft. Since I carry scars from IESG discussion of draft-ietf-geopriv-dhcp-civil (now RFC 4676) I looked for references to that work. I'm puzzled that RFC 4676, LoST and draft-ietf-enum-validation-token seem to take different approaches to civic/civil location specifications. This seems like storing up trouble. In any case it seems like an architectural issue that should be mentioned in the current draft. While the architecture certainly includes provision for resilience (basically caching, and redundancy within clusters) I would have wanted to see a discussion of resilience when large parts of the Internet infrastructure in a geographic region are destroyed. Are redundant copies of the information held in other geographic regions? What is the minimal amount of connectivity that's needed to access such out-of-region copies? What dependencies are there (DNS, routing, etc.)? In other words, will LoST be part of the disaster or part of the recovery?
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