performance and energy efficiency metrics for communication systems of cloud computing data centers...
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A Cognitive Approach for Cross-Layer Performance Management
Performance and Energy Efficiency Metrics for Communication Systems of Cloud Computing Data CentersDzmitry KliazovichUniversity of Luxembourg
1Cloud ComputingDzmitry Kliazovich ([email protected])2
Changes the way we live anduse applications$270 billion market by 2020Source: Market Research Media Ltd., 2014.2Data Center EfficiencyDzmitry Kliazovich ([email protected])3
Operation Costs(OPEX)RevenueData Center
Efficiency3
Data Center EfficiencyDzmitry Kliazovich ([email protected])4Operation Costs (OPEX)RevenueData Center
IT EquipmentCoolingPower Distribution
Cloud Services4Data Center Energy EfficiencyPower Usage Effectiveness (PUE)Dzmitry Kliazovich ([email protected])5
Modern data centers report PUE around 1.25Data Center Energy EfficiencyPower Usage Effectiveness (PUE)Dzmitry Kliazovich ([email protected])6
IT Equipment6Data Center Energy EfficiencyNetwork Power Usage Effectiveness (NPUE)Fraction of IT power spent to operate the networkDzmitry Kliazovich ([email protected])7Communication NetworkComputing Servers
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Data Center Energy EfficiencyEnergy to Deliver a Single Bit of Information
Communication Network Energy Efficiency (CNEE)Dzmitry Kliazovich ([email protected])88Data Center Energy EfficiencyEnergy Proportionality Coefficient (EPC)Devices do not consume energy proportionally to the workloadDzmitry Kliazovich ([email protected])9
Consumed energyLoad
EPC = 0
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Data Center Energy EfficiencyEnergy Proportionality Coefficient (EPC)Devices do not consume energy proportionally to the workloadDzmitry Kliazovich ([email protected])10Consumed energyLoad
EPC = 0
EPC = 110
Data Center Energy EfficiencyEnergy Proportionality Coefficient (EPC)Devices do not consume energy proportionally to the workloadDzmitry Kliazovich ([email protected])11Consumed energyLoad
EPC = 0
EPC = 1EPC = 1EPC = 0EPC = 111
Energy ProportionalityEnergy Proportionality CoefficientDzmitry Kliazovich ([email protected])12Energy Proportionality Coefficient (EPC)Energy Consumption Profile
12Communications and EnergyEfficiency Metrics Dzmitry Kliazovich ([email protected])13Framework of Metrics??13Performance-related MetricsDzmitry Kliazovich ([email protected])14Communication Latency in Data Centers
Uplink/DownlinkCommunication Latency(UDCL)Inter-Server Communication Latency (ISCL)14
Performance-related MetricsDzmitry Kliazovich ([email protected])15Average Server Degree of Connectivity (ASDC)Relevant for Hadoop and parallel distributed tasksEffective in distributed data center architectures
FiConn
DCell
BCube
15Communications and EnergyEfficiency Metrics Dzmitry Kliazovich ([email protected])16Framework of Metrics?16Network Traffic Related MetricsInternal vs. External Traffic Ratio (ITR)
Management and Monitoring Traffic Ratio (MMTR)Network Management (ICMP, SNMP)Address Resolution (ARP)Etc.
Dzmitry Kliazovich ([email protected])17
17%Data center tousers traffic7%Between datacenters76%Traffic withindata centerSource: Growth in the Cloud, Cisco, 2013.17Communications and EnergyEfficiency Metrics Dzmitry Kliazovich ([email protected])18Framework of Metrics18Communications and EnergyEfficiency Metrics Dzmitry Kliazovich ([email protected])19Proposed metrics for assessing performance and energy efficiency of cloud computing communication systems, processes and protocols
Current work on standardization with ISO/ILNAS
Enables communication-aware resource allocation and scheduling of jobs in data centers"Performance and Energy Efficiency Metrics for Communication Systems of Cloud Computing Data Centers, by C. Fiandrino, D. Kliazovich, P. Bouvry, A. Y. Zomaya,IEEE Transactions on Cloud Computing (to appear), 2015.19Thank you!Contact information:Dzmitry KliazovichUniversity of [email protected]
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