Bin Xiao Jiannong Cao Qingfeng Zhuge Zili Shao Edwin Hsing-Mean Sha Dynamic Update of Shortest Path Tree in OSPF. 18-23 2004 conf/ispan/2004 ISPAN http://csdl.computer.org/comp/proceedings/ispan/2004/2135/00/21350018abs.htm db/conf/ispan/ispan2004.html#XiaoCZSS04