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List Interest: Simply Packing Interests Dramatically Reduces Router Workload in Content-Centric Networking
Jun KURIHARA Kenji YOKOTA Atsushi TAGAMI
IEICE TRANSACTIONS on Communications
Publication Date: 2016/12/01
Online ISSN: 1745-1345
Type of Manuscript: Special Section PAPER (Special Section on Information Centric Networking: Paradigms, Technologies, and Applications)
content-centric networking, CCNx 1.0, interest aggregation, list interest, manifest,
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Content-centric networking (CCN) is an emerging networking architecture that is being actively investigated in both the research and industrial communities. In the latest version of CCN, a large number of interests have to be issued when large content is retrieved. Since CCN routers have to search several tables for each incoming interest, this could cause a serious problem of router workload. In order to solve this problem, this paper introduces a novel strategy of “grouping” multiple interests with common information and “packing” them to a special interest called the list interest. Our list interest is designed to co-operate with the manifest of CCN as its dual. This paper demonstrates that by skipping and terminating several search steps using the common information in the list interest, the router can search its tables for the list interest-based request with dramatically smaller complexity than the case of the standard interest-based request. Furthermore, we also consider the deployment of list interests and design a novel TCP-like congestion control method for list interests to employ them just like standard interests.