1. LbyR discussion Henning Schulzrinne Hannes Tschofenig Richard Barnes
(and others I forgot)
IETF 70 (Vancouver)
GEOPRIV

2. Location retrieval 4 different types of location retrieval:
location only
URL representing “Salon 1, Westin, 1601 Bayshore Drive, Vancouver”
e.g.,
no identity
target + location + time (“snapshot”)
request: “where was at 10:56 PST”
ask twice, get same answer even if target moved
may have limited storage time
target + “now”
request: “current location for
ask twice, get two answers if target moved
may have limited time (observation period)
generic
“location service for Columbia U.”
ask any number of times
possibly infinite lifetime of URL
IETF 70 (Vancouver)
GEOPRIV

3. Yet another mode Log retrieval
“where has the target been between 1800 and 1900”
target and LIS may keep limited history, so may fail
IETF 70 (Vancouver)
GEOPRIV

4. Graphical version target target time “now” location target target
“then”
IETF 70 (Vancouver)
GEOPRIV

5. URLs URL that provides value to anybody
e.g., crypto-randomized URL
security = security of conveying URL
URL that provides location to specific IP address
URL that requires auth^2
HTTP
e.g., service
IETF 70 (Vancouver)
GEOPRIV