Document Type

Technical Report

Publication Date

2017-07-31

Embargo Period

7-31-2017

Technical Report Number

WUCSE-2017-001

Abstract

This paper introduces and demonstrates the concept of Information-Centric Transport as a mechanism for cleanly decoupling the information plane from the connectivity plane in Information-Centric Networking (ICN) architectures, such as NDN and CICN. These are coupled in today's incarnations of NDN and CICN through the use of forwarding strategy, which is the architectural component for deciding how to forward packets in the presence of either multiple next-hop options or dynamic feedback. As presently designed, forwarding strategy is not sustainable: application developers can only confidently specify strategy if they understand connectivity details, while network node operators can only confidently assign strategies if they understand application expectations. We show how Information-Centric Transport allows applications to operate on the information plane, concerned only with the namespace and identities relevant to the application, leaving network node operators free to implement ICT services in whatever way makes sense for the connectivity that they manage. To illustrate ICT, we introduce sync*, a synchronization service, and show how a) its use enables applications to operate well regardless of connectivity details and b) its implementation can be completely managed by network operators with no knowledge of application details.

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