ISCC’16: The 21st IEEE Symposium on Computers and Communications OpenFlow-based Mechanisms for QoS in LTE Backhaul Networks Luciano Jerez Chaves 1 , 2 Islene Calciolari Garcia 2 Edmundo R. Mauro Madeira 2 1 Federal University of Juiz de Fora (UFJF), Brazil 2 University of Campinas (Unicamp), Brazil
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ISCC’16: The 21st IEEE Symposium on Computers and Communications
OpenFlow-based Mechanisms for QoS in LTE Backhaul Networks
Luciano Jerez Chaves1,2Islene Calciolari Garcia2
Edmundo R. Mauro Madeira2
1Federal University of Juiz de Fora (UFJF), Brazil2University of Campinas (Unicamp), Brazil
ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
Outline
❖ Introduction
❖ Software-Defined Networking
❖ Long-Term Evolution networks
❖ SDN and LTE integration
❖ Proposed QoS mechanisms
❖ Conclusions and future work
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ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
Introduction
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❖ Mobile data traffic is increasing at a compound annual growth rate of 57%
❖ Increasing number of higher-generation connectivity
❖ Multimedia streaming represents more than 50% of mobile data traffic
Exabytes per month
[1] “Cisco visual networking index: Global mobile data traffic forecast update, 2014-2019”, White Paper, Cisco, Feb, 2015.
ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
Future networks
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❖ 5G networks for people and things
❖ Lower latency and higher data rates
❖ Heterogeneous Networks (HetNets)
❖ High-connectivity backhaul and core networks for more base stations
Software-Defined Networking will be a key differentiator of 5G systems
ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
Contributions
❖ This work contributes with…
❖ OpenFlow protocol integrated into LTE backhaul networks
❖ Specialized OpenFlow EPC controller for LTE traffic control
❖ Network traffic routing
❖ Bearer admission control
❖ LTE QoS realization
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ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
Software-Defined Networking
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❖ Decouples the control plane from the data plane
❖ Network intelligence is centralized in software
❖ Simplified distributed forwarding hardware
❖ More agile and cost-effective networks
ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
OpenFlow protocol
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❖ SDN southbound interface
❖ Basic primitives to program the forwarding plane of OpenFlow switches
❖ Concepts of flows to identify network traffic
❖ Switch datapath specification
ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016
Long-Term Evolution networks
❖ 4G standard for high-speed wireless communication
❖ Maintained by the 3rd Generation Partnership Project
❖ Evolved Packet System (EPS)
• Evolved Universal Terrestrial Radio Access Network (E-UTRAN)
• Evolved Packet Core (EPC)
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ISCC’16: The 21st IEEE Symposium on Computers and CommunicationsJune, 2016