Journal
IEEE WIRELESS COMMUNICATIONS
Volume 18, Issue 6, Pages 46-53Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/MWC.2011.6108333
Keywords
Data centers; Cloud computing; Wireless networks; Computer architecture; Scheduling
Categories
Funding
- 973 Program of China [2011CB302800, 2009CB320503]
- NSF of China [61120106008, 60911130511, 60873252]
- U.S. NSF [CNS-0831852]
- Division Of Computer and Network Systems
- Direct For Computer & Info Scie & Enginr [0831852] Funding Source: National Science Foundation
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Data centers play a key role in the expansion of cloud computing. However, the efficiency of data center networks is limited by oversubscription. The typical unbalanced traffic distributions of a DCN further aggravate the problem. Wireless networking, as a complementary technology to Ethernet, has the flexibility and capability to provide feasible approaches to handle the problem. In this article, we analyze the challenges of DCNs and articulate the motivations of employing wireless in DCNs. We also propose a hybrid Ethernet/wireless DCN architecture and a mechanism to dynamically schedule wireless transmissions based on traffic demands. Our simulation study demonstrates the effectiveness of the proposed wireless DCN.
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