A Distributed Interdomain Control System for Information-Centric Content Delivery
2018
The Internet, the de facto platform for large-scale
content distribution, suffers from two issues that limit its manageability,
efficiency and evolution: (1) The IP-based Internet
is host-centric and agnostic to the content being delivered and
(2) the tight coupling of the control and data planes restrict its
manageability, and subsequently the possibility to create dynamic
alternative paths for efficient content delivery. Here we present
the CURLING system that leverages the emerging Information-
Centric Networking paradigm for enabling cost-efficient Internetscale
content delivery by exploiting multicasting and in-network
caching. Following the software-defined networking concept that
decouples the control and data planes, CURLING adopts an
inter-domain hop-by-hop content resolution mechanism that
allows network operators to dynamically enforce/change their
network policies in locating content sources and optimizing
content delivery paths. Content publishers and consumers may
also control content access according to their preferences. Based
on both analytical modelling and simulations using real domainlevel
Internet subtopologies, we demonstrate how CURLING
supports efficient Internet-scale content delivery without the
necessity for radical changes to the current Internet.
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