Basic HELD Very Simple! HTTP GET to a URL. Server-side certificate Determination based on source IP address. Security provided through TLS and return routability Location provided as a PIDF-LO LIS discovery through: Provisioning DHCP discovery (draft-winterbottom-geopriv-held-dhcp-discovery-00) DNS discovery through reverse DNS and U-NAPTR (draft-thomson-geopriv-held-unaptr-00) |