Title	Overlay Networks: Overview, Applications and Challenges
Author	Jaime Gal?n-Jim?nez, Alfonso Gazo-Cervero
Citation	Vol. 10  No. 12  pp. 40-49
Keywords	Overlay Multicast, Overlay topologies, Content Distribution, P2P, VPN

Title	Enhancing Authentication Protocol from Unauthorized Access
Author	M.Muthuselvi, P.Jeevananthini, B.Vijayakumar
Citation	Vol. 15  No. 1  pp. 123-126
Keywords	Stream authentication, cryptography, content distribution network, trap door functions