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Summary: XIA: An Architecture for an Evolvable and Trustworthy Internet
Ashok Anand Fahad Dogar Dongsu Han Boyan Li Hyeontaek Lim
Michel Machado Wenfei Wu Aditya Akella David G. Andersen John W. Byers
Srinivasan Seshan Peter Steenkiste
ABSTRACT
Motivated by limitations in today's host-based IP network
architecture, recent studies have proposed clean-slate network
architectures centered around alternative first-class principals,
such as content, services, or users. However, much like the
host-centric IP design, elevating one principal type above
others hinders communication between other principals and
inhibits the network's capability to evolve. Our work presents
the eXpressive Internet Architecture (XIA), an architecture
with native support for multiple principals and the ability
to evolve its functionality to accommodate new, as yet un-
foreseen, principals over time. XIA also provides intrinsic
security: communicating entities validate that their underly-
ing intent was satisfied correctly without relying on external
databases or configuration.
In this paper, we focus on core architectural issues in the
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