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Open AccessArticle

Joint Location-Dependent Pricing and Request Mapping in ICN-Based Telco CDNs For 5G

School of Electronic and Information Engineering, Beijing Jiaotong University, No.3 Shangyuancun, Haidian District, Beijing 100044, China
School of Computer Science and Engineering, Beihang University, No. 37 Xueyuan Road, Haidian District, Beijing 100191, China
Authors to whom correspondence should be addressed.
Future Internet 2019, 11(6), 125;
Received: 29 April 2019 / Revised: 26 May 2019 / Accepted: 31 May 2019 / Published: 3 June 2019
(This article belongs to the Special Issue Information-Centric Networking (ICN))
Telco content delivery networks (CDNs) have envisioned building highly distributed and cloudified sites to provide a high-quality CDN service in the 5G era. However, there are still two open problems to be addressed. First, telco CDNs are operated upon the underlay network evolving towards information-centric networking (ICN). Different from CDNs that perform on the application layer, ICN enables information-centric forwarding to the network layer. Thus, it is challenging to take advantage of the benefits of both ICN and CDN to provide a high-quality content delivery service in the context of ICN-based telco CDNs. Second, bandwidth pricing and request mapping issues in ICN-based telco CDNs have not been thoroughly studied. In this paper, we first propose an ICN-based telco CDN framework that integrates the information-centric forwarding enabled by ICN and the powerful edge caching enabled by telco CDNs. Then, we propose a location-dependent pricing (LDP) strategy, taking into consideration the congestion level of different sites. Furthermore, on the basis of LDP, we formulate a price-aware request mapping (PARM) problem, which can be solved by existing linear programming solvers. Finally, we conduct extensive simulations to evaluate the effectiveness of our design. View Full-Text
Keywords: Telco CDN; ICN; pricing; request mapping; optimization Telco CDN; ICN; pricing; request mapping; optimization
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Jin, M.; Luo, H.; Gao, S.; Feng, B. Joint Location-Dependent Pricing and Request Mapping in ICN-Based Telco CDNs For 5G. Future Internet 2019, 11, 125.

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