Abstract
The combination of software defined network (SDN) and network function virtualization (NFV) solves some problems in traditional networks, such as service deployment and configuration and management of network resources. However, it also introduces new problems such as network load imbalance. Virtual network function (VNF) migration is an effective way to solve these problems. In this paper, we propose a quick adaptive migration algorithm for VNF, which combines pre-calculation and real-time calculation to reduce the cost of migration. When the node triggers the light-overload-threshold, we perform a pre-calculation of migration for the node and set the result-set. When the node is overloaded, we perform the migration if the result-set is unexpired, otherwise we perform the real-time migration solution. Simulation results show that this algorithm can effectively reduce the number of migration, improve the stability of the system and reduce the overall network migration overhead of the system.
Foundation Items: National Natural Science Foundation of China (61871237), National Science and Technology Major Project (2017ZX03001008), Natural Science Foundation of the Higher Education Institutions of Jiangsu Province (16KJA510005) and YKJ201422.
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© 2019 ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
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Wang, Y., Zhu, X., Qiu, X. (2019). A Quick Adaptive Migration Algorithm for Virtual Network Function. In: Jia, M., Guo, Q., Meng, W. (eds) Wireless and Satellite Systems. WiSATS 2019. Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering, vol 281. Springer, Cham. https://doi.org/10.1007/978-3-030-19156-6_31
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DOI: https://doi.org/10.1007/978-3-030-19156-6_31
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