xviii Zeng, W., Yu, H., & Lin, C. Y. (2006). Multimedia Security Technologies for Digital Rights Manage- ment. Amsterdam: Academic Press. endnote 1 P2P stands for Peer to Peer, and collectively means any form of communication between two or more usual on-line users, in a globalized environment, in contradistinction to the centralized client- server transaction model. B2B signals the conceptual model for Business to Business communique, as an enhancement of the previous model for everyday e-Business transactions.