Author/Authors :
Giancarlo Ruffo، نويسنده , , Rossano Schifanella، نويسنده ,
Abstract :
The technical impact of the Peer-to-Peer (P2P) paradigm on content
distribution applications has been proved successful and efficient, when participants
cooperation is achieved. Conversely, the business model is not clear: given a copyprotected
object, its owner must be paid back for each transaction taking place from
a provider to a receiver. The P2P paradigm assumes that a receiver turns into a
provider, but it is questionable why she/he should provide properly the content, if
the owner wants to be reimbursed. Actual systems introduce fairness, giving
incentives (e.g., a differential service, like in BitTorrent) to altruistic peers, with the
consequence that the owner of an object is economically damaged everyday. Hence,
music and film industry sees P2P techniques as a hostile framework for distributing
copy protected content for free: today’s answer of the industry is investing in DRMbased
solutions, that are not interoperable between different devices and players. In
this paper, we present FairPeers, a P2P market framework, that joins a straightforward
intellectual property protection and a fair economic model by maintaining
the efficiency typical of P2P file sharing systems. The study is completed with an
exhaustive security analysis, and the description of a prototype implementation that
shows that the P2P paradigm is mature enough to present to the broadest community
new revenue models, simply using available tools and state-of-the-art techniques.