Information-Centric Networks (ICN)
During the past decades, serious efforts have been made to propose various architectures for the future Internet. Each of those architectures has one thing in common, i.e., to focus on content delivery rather than on host-centric approaches. However, only
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Information-Centric Networks (ICN) Muhammad Azfar Yaqub, Syed Hassan Ahmed, Safdar Hussain Bouk and Dongkyun Kim
Abstract During the past decades, serious efforts have been made to propose various architectures for the future Internet. Each of those architectures has one thing in common, i.e., to focus on content delivery rather than on host-centric approaches. However, only few of them gained popularity due to their possible applications being investigated. In this chapter, we describe the overview of various future Internet architectures such as data-oriented networking architecture, content-centric networking, named-data networking, publish/subscribe, and network of information. The main objective of this chapter is to allow our readers to become familiar with the transformation of these architectures. Keywords ICN
2.1 2.1.1
DONA CCN NDN Pub/sub Net-Inf
Information-Centric Network (ICN) Brief History
The core idea behind information-centric networking (ICN) architectures is that who is communicating is less significant than what data are required. This paradigm shift has occurred due to end-users’ use of today’s Internet, which is more content-centric than location-centric, e.g., file sharing, social networking, or retrieval of aggregated data. The ICN concept was initially proposed in TRIAD [1], which proposed name-based information communication. Since then, researchers have proposed multiple architectures (Fig. 2.1). In 2006, the data-oriented network architecture (DONA) project [2] at UC Berkeley proposed an ICN architecture, which improved the security and architecture of TRIAD. The Publish Subscribe Internet Technology (PURSUIT) [3] project, a continuation of the Publish Subscribe Internet Routing Paradigm (PSIRP) [4] project, both funded by the EU Framework 7 Program (FP7), have proposed a publish/subscribe protocol stack that replaces the IP protocol stack. In another approach, the Network of Information (NetInf) project [5] was initially proposed by the European FP7 4WARD [6] © The Author(s) 2016 S.H. Ahmed et al., Content-Centric Networks, SpringerBriefs in Electrical and Computer Engineering, DOI 10.1007/978-981-10-0066-9_2
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Information-Centric Networks (ICN)
Fig. 2.1 ICN architectures
project, and further development has been made by the Scalable and Adaptive Internet Solutions (SAIL) [7] project. Similarly, Van Jacobson, a Research Fellow at PARC, proposed the Content Centric Networking (CCN) project [8] in 2007. Currently work is being performed to enhance the CCN architecture called “named-data networks” (NDN) [9]. All of these approaches differ in terms of implementation, but they have the same goal, i.e., to improve the performance and end-user experience of the Internet by providing access to content and services by name rather than by original location. This is achieved by changing the concept of link protection to content protection and by exploiting in-network storage of content. In addition, traditional networks also benefit from ICN technologies, i.e., content del
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