Abstract
Information-centric networking (ICN) is a new approach to networking contents rather than devices that hold the contents. It has recently attracted much attention of network research and standardization communities. National and multi-national funded research projects have progressed worldwide. International Telecommunication Union - Telecommunication Standardization Sector (ITU-T) started ICN standardization activities in 2012. In parallel, the standards-oriented research cooperation is progressing in the Information-Centric Networking Research Group (ICNRG) of the Internet Research Task Force (IRTF). All these global efforts have been collectively advancing the novel network architecture of ICN. However, there are very few surveys and discussions on the detailed ICN standardization status. To update the reader with information about the ICN research and standardization related activities, this paper starts with the history of global activities on ICN from 2010, giving references to various projects. It then describes the recent progress in the standardization of ICN component technologies in ITU-T and various documents produced by ICNRG. Lastly, it discusses the future directions for progressing ICN.
Highlights
These days we use networks more for content retrieval than for direct communication between people or with a device or server [1]. This trend has demanded a new network architecture optimized for content retrieval, which resulted in the emergence of a new network architecture named Information-Centric Networking [2], [3]
Unlike the IP addresses, the content names are not associated with a particular location in the network and the content names are decoupled from communication session, Information-centric networking (ICN) simplifies the process of supporting end-user mobility [7] without requiring to re-establishing communication sessions
Since ICN introduces a new paradigm of networking architecture, it results in changes to many aspects of network security
Summary
These days we use networks more for content retrieval than for direct communication between people or with a device or server [1] This trend has demanded a new network architecture optimized for content retrieval, which resulted in the emergence of a new network architecture named Information-Centric Networking [2], [3]. The ICN concept has born in the era that more and more users are shifting their interests to the content itself rather than the location or server where contents are stored. This content-centric behavior of user applications has rendered the point-to-point communication paradigm of IP networks inefficient. ICN, relying on name-based routing, in-network caching and data-self security, possesses
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