Wook Jeong Geunhyung Kim Cheeha Kim An Efficient Backup Path Selection Algorithm in MPLS Networks. 164-175 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=3375&spage=164 2005 conf/qosip/2005 QoS-IP db/conf/qosip/qosip2005.html#JeongKK05