Journal
IEEE-ACM TRANSACTIONS ON NETWORKING
Volume 23, Issue 5, Pages 1648-1660Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TNET.2014.2341246
Keywords
Bandwidth allocation; data center networks; network virtualization
Categories
Funding
- National Key Basic Research Program of China (973 program) [2014CB347800]
- National Natural Science Foundation of China [61170291, 61133006, 61161140454]
- National High-tech R&D Program of China (863 program) [2013AA013303]
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The ability to provide guaranteed network bandwidth for tenants is essential to the prosperity of cloud computing platforms, as it is a critical step for offering predictable performance to applications. Despite its importance, it is still an open problem for efficient network bandwidth sharing in a multitenant environment, especially when applications have diverse bandwidth requirements. More precisely, it is not only that different tenants have distinct demands, but also that one tenant may want to assign bandwidth differently across her virtual machines (VMs), i.e., the heterogeneous bandwidth requirements. In this paper, we tackle the problem of VM allocation with bandwidth guarantee in multitenant data center networks. We first propose an online VM allocation algorithm that improves on the accuracy of the existing work. Next, we develop a VM allocation algorithm under heterogeneous bandwidth demands. We conduct extensive simulations to demonstrate the efficiency of our method.
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