A walk through content delivery networks

Novella Bartolini, Emiliano Casalicchio, Salvatore Tucci

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


Content Delivery Networks (CDN) aim at overcoming the inherent limitations of the Internet. The main concept at the basis of this technology is the delivery at edge points of the network, in proximity to the request areas, to improve the user's perceived performance while limiting the costs. This paper focuses on the main research areas in the field of CDN, pointing out the motivations, and analyzing the existing strategies for replica placement and management, server measurement, best fit replica selection and request redirection.

All Science Journal Classification (ASJC) codes

  • Theoretical Computer Science
  • General Computer Science


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