Performance and Energy Efficiency Metrics for Communication Systems

Performance and Energy Efficiency Metrics for Communication Systems of Cloud Computing Data Centers Dzmitry Kliazovich University of Luxembourg

Cloud Computing $270 billion market by 2020 Changes the way we live and use applications Source: Market Research Media Ltd. , 2014. Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 2

Data Center Efficiency Operation Costs (OPEX) Revenue Data Center Efficiency Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 3

IT Equipment Cloud Services Revenue Operation Costs (OPEX) Data Center Efficiency Cooling Power Distribution Data Center Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 4

Data Center Energy Efficiency • Power Usage Effectiveness (PUE) Cooling 40% IT Equipment 45% Modern data centers report PUE around 1. 2 Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) Power distribution 15% 5

Data Center Energy Efficiency • Power Usage Effectiveness (PUE) Cooling system IT Equipment Power distribution Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 6

Data Center Energy Efficiency • Network Power Usage Effectiveness (NPUE) – Fraction of IT power spent to operate the network Communication Network Computing Servers Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 7

Data Center Energy Efficiency • Energy to Deliver a Single Bit of Information • Communication Network Energy Efficiency (CNEE) Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 8

Data Center Energy Efficiency • Energy Proportionality Coefficient (EPC) – Devices do not consume energy proportionally to the workload Consumed energy EPC = 0 Load Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 9

Data Center Energy Efficiency • Energy Proportionality Coefficient (EPC) – Devices do not consume energy proportionally to the workload Consumed energy EPC = 0 EP 1 = C Load Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 10

Data Center Energy Efficiency • Energy Proportionality Coefficient (EPC) – Devices do not consume energy proportionally to the workload Consumed energy EPC = 0 EP EPC = 1 1 = C EPC = 1 EPC = 0 Load Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 11

Energy Proportionality Coefficient (EPC) Energy Consumption Profile • Energy Proportionality Coefficient Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 12

Framework of Metrics Communications and Energy Efficiency Metrics Power • Communication Network Energy Efficiency (CNEE) • Network Power Usage Effectiveness (NPUE) • Energy Proportionality Coefficient (EPC) Performance ? Traffic ? Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 13

Performance-related Metrics • Communication Latency in Data Centers Uplink/Downlink Communication Latency (UDCL) Inter-Server Communication Latency (ISCL) Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 14

Performance-related Metrics • Average Server Degree of Connectivity (ASDC) – Relevant for Hadoop and parallel distributed tasks – Effective in distributed data center architectures DCell Fi. Conn BCube Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 15

Framework of Metrics Communications and Energy Efficiency Metrics Power • Communication Network Energy Efficiency (CNEE) • Network Power Usage Effectiveness (NPUE) • Energy Proportionality Coefficient (EPC) Performance • Uplink/Downlink Communication Latency (UDCL) • Inter-Server Communication Latency (ISCL) • Average Server Degree Connectivity (ASDC) ? Traffic Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 16

Network Traffic Related Metrics • Internal vs. External Traffic Ratio (ITR) 17% 7% 76% Data center to users traffic Between data centers Traffic within data center • Management and Monitoring Traffic Ratio (MMTR) – Network Management (ICMP, SNMP) – Address Resolution (ARP) – Etc. Source: Growth in the Cloud, Cisco, 2013. Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 17

Framework of Metrics Communications and Energy Efficiency Metrics Power • Communication Network Energy Efficiency (CNEE) • Network Power Usage Effectiveness (NPUE) • Energy Proportionality Coefficient (EPC) Performance • Uplink/Downlink Communication Latency (UDCL) • Inter-Server Communication Latency (ISCL) • Average Server Degree Connectivity (ASDC) Traffic • Internal Traffic Ratio (ITR) • External Traffic Ratio (ETR) • Management and Monitoring Traffic Ratio (MMTR) Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 18

Communications and Energy Efficiency Metrics • Proposed 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. Dzmitry Kliazovich (dzmitry. kliazovich@uni. lu) 19

Thank you! Contact information: Dzmitry Kliazovich University of Luxembourg dzmitry. kliazovich@uni. lu