Network traffic analysis is focusing on L4 instead of the traditional L7 level. VoIP, P2P and the Skype like traffic will have a tremendous impact on telco and ISP revenues. This paper will introduce the research analysis on P2P and Skype like technologies with the aim to provide the best solution for this kind of challenges for telco and ISP carriers. This paper will discuss P2P and Skype technologies. The P2P section shall discuss the 3 generation architectures including the hybrid P2P, the distributed P2P (pure P2P), and the distributed hash tables P2P technologies. The Skype section shall introduce basic Skype operating methodology, and Skype Gateway, SkyPBX technologies.
P2P: Peer-to-Peer IM: Instant Message SIP: Session Initiation Protocol Skype Skype Gateway SkyPBX Napster Gnutella EMule