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| Presentation | 2021-03-04 10:10 Service Chaining for Highly-Available, Energy-Efficient, and Reliable NFV Networks Masaya Baba, Takanori Hara, Masahiro Sasabe, Shoji Kasahara (NAIST)  NS2020-130 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Network functions virtualization (NFV) can realize low-cost and flexible network services by decoupling network functions from dedicated hardware and executing them on generic hardware as virtual network functions (VNFs). In NFV networks, a network service can be realized as a sequence of VNFs called a service chain. Service chaining is a problem that aims to find a service path from an origin to a destination and allocate the physical resources (servers and communication links) appropriately to execute the VNFs at intermediate nodes in the requested order. There are many studies on the service chaining for different objectives. In this paper, we formulate the service chaining problem as an integer linear program (ILP) to achieve highly-available, energy-efficient, and reliable NFV networks. Through numerical results obtained by solving the ILP using the existing solver, we show that the weighting parameter of the objective function can control the tradeoff between the high availability and energy efficiency. As for the redundancy, we show that end-to-end protection of an entire service chain can realize fault tolerance against a single physical node/link failure at the expense of about twice cost of resource and energy consumption compared with the no-protection case. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Network functions virtualization (NFV) / virtual network function (VNF) / NFV network / service chaining, integer linear programming (ILP) / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 413, NS2020-130, pp. 43-48, March 2021. | |
| Paper # | NS2020-130 | |
| Date of Issue | 2021-02-25 (NS) | |
| ISSN | Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | NS2020-130 |
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| Conference Information | |
| Committee | IN NS |
| Conference Date | 2021-03-04 - 2021-03-05 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | General |
| Paper Information | |
| Registration To | NS |
| Conference Code | 2021-03-IN-NS |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Service Chaining for Highly-Available, Energy-Efficient, and Reliable NFV Networks |
| Sub Title (in English) | |
| Keyword(1) | Network functions virtualization (NFV) |
| Keyword(2) | virtual network function (VNF) |
| Keyword(3) | NFV network |
| Keyword(4) | service chaining, integer linear programming (ILP) |
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| 1st Author's Name | Masaya Baba |
| 1st Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 2nd Author's Name | Takanori Hara |
| 2nd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 3rd Author's Name | Masahiro Sasabe |
| 3rd Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
| 4th Author's Name | Shoji Kasahara |
| 4th Author's Affiliation | Nara Institute of Science and Technology (NAIST) |
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| Speaker | Author-1 |
| Date Time | 2021-03-04 10:10:00 |
| Presentation Time | 20 minutes |
| Registration for | NS |
| Paper # | NS2020-130 |
| Volume (vol) | vol.120 |
| Number (no) | no.413 |
| Page | pp.43-48 |
| #Pages | 6 |
| Date of Issue | 2021-02-25 (NS) |
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