GIST NAT traversal andLegacy NAT traversal for GISThttp://www.ietf.org/internet-drafts/draft-pashalidis-nsis-gimps-nattraversal-03.txtAND http://www.ietf.org/internet-drafts/draft-pashalidis-nsis-legacy-nattraversal-03.txt A. Pashalidis; H. Tschofenig |