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Non-redundant indirect trust search algorithm based on a cross-domain trust model in content delivery network

Title
Non-redundant indirect trust search algorithm based on a cross-domain trust model in content delivery network
Authors
Li S.Doh I.Chae K.
Ewha Authors
채기준도인실
SCOPUS Author ID
채기준scopus; 도인실scopus
Issue Date
2017
Journal Title
International Conference on Advanced Communication Technology, ICACT
ISSN
1738-9445JCR Link
Citation
International Conference on Advanced Communication Technology, ICACT, pp. 72 - 77
Keywords
CDNiCross domainMobileP2PReputation evaluationTrust
Publisher
Institute of Electrical and Electronics Engineers Inc.
Indexed
SCOPUS scopus
Document Type
Conference Paper
Abstract
A content delivery network (CDN), as a distributed network architecture, enhances efficient delivery of content. The interconnection of different CDNs (CDNi) further improves efficiency and the experience of end users. As another distributed network with high availability and high performance, a peer-to-peer (P2P) network can provide efficient resource sharing. To combine the advantages of the two networks, we propose a hybrid CDNi-P2P architecture, along with trust management models to achieve more efficient content delivery. In CDNi-P2P architecture, end users can obtain the requested content from the nearest CDN edge server, and can also share these contents with other users in the same domain as a P2P network. After the transactions, users can rate each other based on the reputation evaluation method adopted in the system. For some mobile users, they can move among different domains and share the contents who have with the end users in different system. In general, different systems adopt different reputation evaluation standards. This leads to disparate trust values for mobile users in different systems. Based on the architecture, we propose two trust models to solve this problem: a local trust model and a cross-domain trust model. To evaluate reputation more effectively and accurately, we also propose a search algorithm for the trust model called the non-redundant indirect trust search algorithm (NRIT-SA). Using the proposed trust models, a mobile user can transform his/her local trust into mobile trust in a new domain. We thus avoid disparate trust values for a single user in different domains and improve the availability of the content possessed by mobile users as they move among different domains. © 2017 Global IT Research Institute - GiRI.
DOI
10.23919/ICACT.2017.7890059
ISBN
9788996865094
Appears in Collections:
엘텍공과대학 > 컴퓨터공학과 > Journal papers
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