NGN——Open and Convergence
zhao huiling; yang xin (china telecom corporation limited beijing research institute; beijing 100035; china)
..............page:5-8
Based MPLS VPN Realization Method
shen xinzhan; yu haiying; wu hongbing; dai shuigui (school of communications and information; nanjing university of posts and telecommunications; nanjing 210007; china)
..............page:28-30