Kin Wah Kwong Roch Guérin Anees Shaikh Shu Tao Improving service differentiation in IP networks through dual topology routing. 16 2007 CoNEXT http://doi.acm.org/10.1145/1364654.1364675 conf/conext/2007 db/conf/conext/conext2007.html#KwongGST07