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학술지 Node Splitting for Improved Virtual Network Embedding: A Feasibility Study
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저자
하지훈, 박용태, 김병조, 김은아, 양선희, 김효곤
발행일
201207
출처
IEICE Transactions on Communications, v.E95-B no.7, pp.2463-2466
ISSN
0916-8516
출판사
일본, 전자정보통신학회 (IEICE)
DOI
https://dx.doi.org/10.1587/transcom.E95.B.2463
협약과제
12PI1500, 미래인터넷 국제협력 연구를 위한 테스트베드 구축, 양선희
초록
When the residual resources on a virtualized substrate network (SN) are insufficient to meet the resource demands from the requested virtual network (VN) at specific locations, we can attempt to accommodate the VN by allocating resources at alternative locations and transparently serve the accesses to the VN by having them internally rerouted to the actually allocated locations. In this letter, we explore the feasibility of nodal resource splitting in such alternative allocation scenarios. We find that in order to facilitate such alternative allocations, we should first define the node-link resource dependencies. Once the dependencies are given, we demonstrate that the splitting can visibly improve the SN utilization and the request rejection rate for VN embedding requests under many network scenarios. © 2012 The Institute of Electronics, Information and Communication Engineers.
키워드
Embedding performance, Network virtualization, Node resources, Resource splitting
KSP 제안 키워드
Feasibility study, Information and communication, Network scenarios, Node resources, Substrate network(SN), VN embedding, network virtualization, rejection rate, virtual network embedding