LoST (RFC 5222, August 2008) is the IETF protocol that maps a service identifier and civic or geodetic location to a service contact URI, such as the right emergency answering point; RFCs 6848, 8917 and 9036 update it.

Checked 2026-09-24

Vendor
IETF
Product
LoST
Subsystem
routing
Deployment
all
Region
not restricted
Release range
current as of 2026-09-24
Checked
2026-09-24

Sources

Cite this note

APA

WarmTransfer. (2026, September 24). NG911 and i3 architecture transition: source note ng911-transition-lost-rfc5222. WarmTransfer. https://warmtransfer.net/knowledge/claims/ng911-transition-lost-rfc5222

BibTeX

@misc{warmtransfer-claim-ng911-transition-lost-rfc5222,
  title  = {NG911 and i3 architecture transition: source note ng911-transition-lost-rfc5222},
  author = {{WarmTransfer}},
  year   = {2026},
  url    = {https://warmtransfer.net/knowledge/claims/ng911-transition-lost-rfc5222},
  note   = {Source note ng911-transition-lost-rfc5222, checked 2026-09-24}
}

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