NAT traversal for GIST in 300 seconds http://www.ietf.org/internet-drafts/draft-pashalidis-nsis-gimps-nattraversal-00.txt
https://www.powershow.com/view1/1cbd17-ZDc1Z/NAT_traversal_for_GIST_in_300_seconds_http_www_ietf_org_internet-drafts_draft-pashalidis-nsis-gimps-nattraversal-00_txt_powerpoint_ppt_presentation
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