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| Content Provider | Directory of Open Access Journals (DOAJ) |
|---|---|
| Author | Gaolei Li Jun Wu Jianhua Li Zhenyu Zhou Longhua Guo |
| Abstract | Multi-tenant software-defined networks have emerged as a promising service platform to manage and share virtual network services between tenants and end-users. However, when using a service level agreement (SLA) in a multi-tenant circumstance, the resource competition among tenants incurred in many challenges on the quality of services (QoS) provisioning. First, as the existing QoS provisioning was to translate the high-level SLA contact into a group of corresponding low-level QoS rules, this traditional top-down translation mechanism was too ossified to support the dynamic SLA negotiation. Second, since an end-user usually requested multiple services and different services had different QoS requirements, the QoS provisioning required tenants to monitor and control the network status though OpenFlow protocol in a fine-grained way. To address these issues, we propose an SLA-aware fine-grained QoS provisioning (SFQP) scheme for MTSDN. The SFQP scheme extracts the eigen characteristics of each packet by applicationaware technology automatically. Considering tenants are more willing to serve for users which have popular SLA contact to earn more revenues, we predict the SLA popularity by K-nearest neighbor. Moreover, we present an SLA-aware dynamic bandwidth allocation algorithm to implement the proposed SFQP scheme. The feasibility of the proposed scheme is verified by simulations of the SLA taxonomy, bandwidth utilization, and bandwidth fluctuation. |
| e-ISSN | 21693536 |
| DOI | 10.1109/ACCESS.2017.2761553 |
| Journal | IEEE Access |
| Volume Number | 6 |
| Language | English |
| Publisher | IEEE |
| Publisher Date | 2018-01-01 |
| Publisher Place | United States |
| Access Restriction | Open |
| Subject Keyword | Electrical Engineering. Electronics. Nuclear Engineering Multi-tenant Software-defined Networks (mtsdn) Qos Provisioning Service Level Agreement (sla) Dynamic Bandwidth Allocation |
| Content Type | Text |
| Resource Type | Article |
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