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Bài báo - Tạp chí
(2016) Trang:
Tạp chí: 2016 IEEE International Conference on Communications ( (ICC)), 23-27 May 2016, Kuala Lumpur - Malaysia,

Chaining virtualized network functions (VNF) is an effective practice to deploy network services in network operator's data centers. Two common concerns arise in such a deployment are network load balancing and server load balancing. In this study, motivated by the argument that such two concerns should be jointly addressed for efficiently chaining VNFs in a data center environment, we propose a 2-phase algorithm, Nearest First and Local-Global Transformation (NF-LGT), which concurrently supports network and service load balancing. The algorithm firstly constructs service chains by a greedy strategy which both considers network latency and server latency. Then a searching technique is applied to improve the solutions. We have implemented the algorithm using Software-defined networking (SDN)/OpenFlow concept. The experimental results indicate that, compared with a sequential approach, NF-LGT improves the system bandwidth utilization up to 45%.

Các bài báo khác
(2017) Trang:
Tạp chí: 2017 IEEE International Conference on Communications (ICC), 21-25 May 2017, Paris - France
31 (2018) Trang:
Tạp chí: International Journal of Communication Systems

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