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학술지 Novel Packet Switching for Green IP Networks
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조성균, 김영민, 이현우, Jussi Kangasharju, Max Mulhauser
ETRI Journal, v.39 no.2, pp.275-283
한국전자통신연구원 (ETRI)
16MH4400, 고신뢰 사물지능 생태계 창출을 위한 TII(Trusted Information Infrastructure) S/W 프레임워크 개발, 이현우
A green technology for reducing energy consumption has become a critical factor in ICT industries. However, for the telecommunications sector in particular, most network elements are not usually optimized for power efficiency. Here, we propose a novel energy-efficient packet switching method for use in an IP network for reducing unnecessary energy consumption. As a green networking approach, we first classify the network nodes into either header or member nodes. The member nodes then put the routing-related module at layer 3 to sleep under the assumption that the layer in the OSI model can operate independently. The entire set of network nodes is then partitioned into clusters consisting of one header node and multiple member nodes. Then, only the header node in a cluster conducts IP routing and its member nodes conduct packet switching using a specially designed identifier, a tag. To investigate the impact of the proposed scheme, we conducted a number of simulations using well-known real network topologies and achieved a more energy- efficient performance than that achieved in previous studies.
KSP 제안 키워드
Critical factors, Green Networking, Green technology, IP networks, IP routing, MOST Network, Network node, Network topology, OSI Model, Packet switching, Power Efficiency
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