Xiaoxiang Leng Jun Bi Miao Zhang Providing Reliable IPv6 Access Service Based on Overlay Network. 1500-1509 2006 conf/otm/2006-w2 OTM Workshops (2) http://dx.doi.org/10.1007/11915072_55 db/conf/otm/otm2006-w2.html#LengBZ06