fCDN: A Flexible and Efficient CDN Infrastructure without DNS Redirection or Content Reflection
Mays Al-Naday, Martin J. Reed, Janne Riihij\"arvi, Dirk Trossen,, Nikolaos Thomos, Mohammed Al-Khalidi

TL;DR
This paper introduces fCDN, a novel CDN architecture that eliminates DNS redirection and content reflection by leveraging ICN routing, improving resource utilization and reducing path lengths in content distribution networks.
Contribution
The paper proposes a flexible CDN architecture using ICN-based routing and a new resource placement algorithm, Swing, to optimize edge-to-edge content delivery without DNS or reflection.
Findings
fCDN reduces edge-to-edge path length
fCDN improves network resource utilization
Swing algorithm outperforms traditional placement algorithms
Abstract
Flexible and efficient CDNs are critical to facilitate content distribution in 5G+ architectures. Current CDNs suffer from inefficient request mapping based on DNS redirection, and inefficient content distribution from origin to edge servers, through content reflection. We proposes a novel, flexible CDN architecture that removes the need for DNS-based mapping and content reflection. Instead, requests to/from the CDN are treated as service transactions in the network, which utilises a routing function embraced from emerging research in Information-Centric Networks (ICN) to route edge-to-edge transactions to the true nearest service point. The same function is utilized to establish path-based flows over a fast forwarding substrate; thereby, eliminating the need for IP routing between service points within a single domain, and potentially at peering points with other domains. We model our…
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Taxonomy
TopicsCaching and Content Delivery · Opportunistic and Delay-Tolerant Networks · Peer-to-Peer Network Technologies
