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標題: 一建構於P2P網路之可追蹤式數位內容公平交易機制
A Traceble and Fair Transaction Mechanism for Digital Content Based on P2p Networks
作者: 楊朝成
關鍵字: 應用研究;資訊科學軟體;點對點網路;數位版權管理
近年來,由於網際網路使用人數的快速成長以及通訊技術的提升,逐漸形成了資訊共享與互利之趨勢,雖造成網路上所流通的檔案數量大幅增加,但在大多數的網路環境中,並無有效的機制可以阻止未經授權檔案的散佈,因此,我們必須要提出一有效率、安全且公平的檔案分享交易平台,使得數位內容在快速流通的情況下,得到應有之保護。在現行的應用中,分散式之Peer-to-Peer (P2P) 網路解決了傳統Client-server 架構下檔案伺服器頻寬有限的問題,成為檔案分享的主流。然而,也因為P2P 網路之成熟,許多未經授權的檔案藉由其快速散佈於網際網路上,使得盜版問題嚴重地傷害數位內容擁有者應得的智慧財產權益。因此,Digital Rights Management (DRM) 技術便逐漸成形,但典型之DRM 系統大都設計於client-server 架構下使用,難以應用於P2P 網路。雖有學者提出應用於P2P 網路之DRM 保護機制,但因P2P 網路易於快速分享數位內容之特性,其效果有限。而本研究計畫預計開發一創新的P2P 追蹤式數位內容公平交易機制,透過追蹤式與保護式之DRM 系統互相結合,達到以下特性:1)原創者在系統上發佈之數位內容,在購買者從P2P 系統上任何節點下載檔案後,數位內容原創者可獲得應得比例的收益,保障檔案原創者之智慧財產權。 2)P2P 網路倚賴所有節點的分享才能有效運作,因此對於提供轉送內容的節點給予適當的回饋。3) 保障交易之公平性。4) 使用者可任意使用檔案於其自身,卻無法任意分享檔案予他人。5) 當使用者非法分享檔案,系統可追蹤非法分享者。

In recent years, more and more people use Internet and with the improvements ofcommunication technology, information-sharing trends has surged over Internet. Althoughthe number of digital files which are transmitted on Internet has rapidly grown, most of theInternet environments haven't implemented an effective mechanism to prevent unauthorizedfile distribution. Therefore, we must propose an effective, secure, and fair transactionplatform for file sharing.Peer-to-peer networks has become the main stream of file-sharing platform by means ofits distribution features to overcome the bottleneck problem in traditional client-serverarchitecture. However, many digital contents, e.g. e-books, which do not get permission tobe copied or delivered, are privately spread by uploading to servers or P2P networks. Thepiracy issue seriously hurts license owners' deserved profits and potential market. For thisreason, digital rights management (DRM) is considered as a general preventive measure toavoid copyright infringement. However, a conventional DRM system is only suitable forclient-server architecture, and its implementation on distributed P2P network would be quitedifficult. Although some researchers have proposed some systems combining DRM with P2Pnetwork, but the effect is limited. For constructing a reliable transaction platform, we try toconstruct a mechanism which combines traceable and protecting DRM mechanism.This research plans to develop a novel traceable and fair transaction mechanism based onP2P networks. This mechanism provides four main features: 1)For protecting digital rights,after content owner have published his files legally, he will receive his deserved ratio ofcopyright royalty from every transaction, even if the uploading peer is another node. 2) P2Pnetworks rely on all nodes to work effectively, therefore we offer rewards to forwarders whoassist in forwarding the digital contents. 3) Guarantees the fair of transaction, finally, 4)Users can use their digital content freely by themselves, but can't share to others for free. 5)When user distributes digital content illegally, system can trace illegal user.
其他識別: NSC100-2221-E005-067
Appears in Collections:資訊管理學系

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