Barnes, R. Lepinski, M. Cooper, A. Morris, J. Tschofenig, H. Schulzrinne, H. <a href = 'http://tools.ietf.org/html/draft-ietf-geopriv-arch-01'><cite>An Architecture for Location and Location Privacy in Internet Applications</cite></a> 29 October 2009. URI: http://tools.ietf.org/html/draft-ietf-geopriv-arch-01