@misc {BPCZA09, 
	title = {Requirements for the graceful shutdown of BGP sessions},
	howpublished = {Internet Draft},
	author = {Bruno Decraene and Pierre Francois and Cristel Pelsser and Zubair Ahmad and Antonio Jose Elizondo Armengol},
	year = {2009},
	month = {March},
	note = {http://tools.ietf.org/html/draft-decraene-bgp-graceful-shutdown-requirements-01},
}