@misc {OPD09, title = {Preserving the reachability of LISP ETRs in case of failures}, howpublished = {Internet-Draft}, author = {Olivier Bonaventure and Pierre Francois and Damien Saucez}, year = {2009}, month = {July}, note = {http://tools.ietf.org/search/draft-bonaventure-lisp-preserve-00}, }