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SNGR: Scalable Name-Based Geometric Routing for ICN
Yanbin SUN Yu ZHANG Binxing FANG Hongli ZHANG
IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Online ISSN: 1745-1345
Type of Manuscript: PAPER
scalability, efficiency, geometric routing, name resolution, Information-Centric Networking,
Full Text: PDF(1.5MB)>>
Information-Centric Networking (ICN) treats contents as first class citizens and adopts name-based routing for content distribution and retrieval. Content names rather than IP addresses are directly used for routing. However, due to the location-independent naming and the huge namespace, name-based routing faces scalability and efficiency issues including large routing tables and high path stretches. This paper proposes a universal Scalable Name-based Geometric Routing scheme (SNGR), which is a careful synthesis of geometric routing and name resolution. To provide scalable and efficient underlying routing, a universal geometric routing framework (GRF) is proposed. Any geometric routing scheme can be used directly for name resolution based on GRF. To implement an overlay name resolution system, SNGR utilizes a bi-level grouping design. With this design, a resolution node that is close to the consumer can always be found. Our theoretical analyses guarantee the performance of SNGR, and experiments show that SNGR outperforms similar routing schemes in terms of node state, path stretch, and reliability.