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Software Defined Networking for Big-Data Science

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Software Defined Networking for Big-Data Science Software Defined Networking for big-data science Eric Pouyoul Chin Guok Inder Monga (presenting) SRS presentation November 15th, Supercomputing 2012 Acknowledgements Many folks at ESnet who helped with the deployment and planning • Sanjay Parab (CMU), Brian Tierney, John Christman, Mark Redman, Patrick Dorn among other ESnet NESG/OCS folks Ciena Collaborators: • Rodney Wilson, Marc Lyonnais, Joshua Foster, Bill Webb SRS Team • Andrew Lee, Srini Seetharaman DOE ASCR research funding that has made this work possible Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science ESnet: World’s Leading Science Network ASIA-PACIFIC RUSSIA US R&E CANADA (ASGC/Kreonet2/ AND CHINA CANADA FRANCE CERN (DREN/Internet2/NLR) (CANARIE) TWAREN) (GLORIAD) (CANARIE) LHCONE (OpenTransit) (USLHCNet) RUSSIA AND CHINA (GLORIAD) ASIA-PACIFIC (KAREN/KREONET2/ NUS-GP/ODN/ SEATTLE REANNZ/SINET/ TRANSPAC/TWAREN) PNNL ASIA-PACIFIC (BNP/HEPNET) AUSTRALIA BOSTON US R&E (AARnet) BOISE (Internet2/ US R&E NLR) (DREN/Internet2/ NISN/NLR) CERN LATIN AMERICA SACRAMENTO CLARA/CUDI CHICAGO BNL NEW YORK CANADA US R&E FNAL (CANARIE) SUNNYVALE LBNL AMES PPPL ASIA-PACIFIC (DREN/Internet2/ ANL (ASCC/KAREN/ NASA) EUROPE KREONET2/NUS-GP/ WASHINGTON DC (GÉANT/ ODN/REANNZ/ US R&E NORDUNET) SINET/TRANSPAC) (NASA/NISN/ SLAC USDOI) KANSAS CITY DENVER ASIA-PACIFIC JLAB (SINET) ORNL NASHVILLE AUSTRALIA ALBUQUERQUE EUROPE (AARnet) (GÉANT) ATLANTA LATIN AMERICA (AMPATH/CLARA) El PASO LATIN AMERICA 100G IP Hubs US R&E (CLARA/CUDI) (DREN/Internet2/ NISN) 4x10G IP Hub HOUSTON Major R&E and International peering connections Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Opportunities for innovation (1) Elephant Flows: ‘big-data’ movement for Science, end-to-end Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Opportunity (2): Global Multi-Domain Collaborations like LHC detector 1 PB/s O(1-10) meter Level 1 and 2 triggers O(10-100) meters mile CERN →T1 kms s Level 3 trigger France 350 565 O(1) km LHC Tier 0 Deep archive and send Italy 570 920 CERN Computer Center data to Tier 1 centers UK 625 1000 ~50 Gb/s (25Gb/s ATLAS, 25Gb/s CMS) Netherlands 625 1000 500-10,000 km Germany 700 1185 Universities/ Universities/ physics physics Spain 850 1400 Universities/ LHC Tier 1 Data physics groups groups Universities/ Nordic 1300 2100 groups physics Centers Universities/ groups USA – New York 3900 6300 physics groups USA - Chicago 4400 7100 Universities/ physics Canada – BC 5200 8400 Universities/ groups physics Taiwan 6100 9850 groups Universities/ physics groups Universities/ The LHC Open physics groups Network Universities/ Environment physics (LHCONE) groups Universities/ physics Universities/ groups physics groups Universities/ Universities/ The LHC Optical physics physics LHC Tier 2 Analysis Source: Bill Private Network groups Universities/ groups physics Universities/ Universities/ Centers Johnston (LHCOPN) groups physics physics groups groups Software-Defined Networking Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science What is Software-Defined Networking? (as defined by Scott Shenker, October 2011) http://opennetsummit.org/talks/shenker-tue.pdf “The ability to master complexity is not the same as the ability to extract simplicity” “Abstractions key to extracting simplicity” “SDN is defined precisely by these three abstractions • Distribution, forwarding, configuration “ Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Fundamental Network Abstraction: a end-to-end circuit Wavelength, PPP, MPLS, L2TP, GRE, NSI-CS… A Z Switching points, store and forward, transformation … Simple, Point-to-point, Provisonable Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science New Network Abstraction: “WAN Virtual Switch” WAN Virtual Switch Simple, Multipoint, Programmable Configuration abstraction: • Expresses desired behavior • Hides implementation on physical infrastructure It is not only about the concept, but implementation Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Simple Example: One Virtual Switch per Collaboration ALCF WAN Virtual Switch OLCF NERSC ASIA-PACIFIC RUSSIA US R&E CANADA (ASGC/Kreonet2/ AND CHINA CANADA FRANCE CERN (DREN/Internet2/NLR) (CANARIE) TWAREN) (GLORIAD) (CANARIE) LHCONE (OpenTransit) (USLHCNet) RUSSIA AND CHINA (GLORIAD) ASIA-PACIFIC (KAREN/KREONET2/ NUS-GP/ODN/ SEATTLE REANNZ/SINET/ TRANSPAC/TWAREN) PNNL ASIA-PACIFIC (BNP/HEPNET) AUSTRALIA BOSTON US R&E (AARnet) BOISE (Internet2/ US R&E NLR) (DREN/Internet2/ NISN/NLR) CERN LATIN AMERICA SACRAMENTO CLARA/CUDI CHICAGO BNL NEW YORK CANADA US R&E FNAL (CANARIE) SUNNYVALE LBNL AMES PPPL ASIA-PACIFIC (DREN/Internet2/ ANL (ASCC/KAREN/ NASA) EUROPE KREONET2/NUS-GP/ WASHINGTON DC (GÉANT/ ODN/REANNZ/ US R&E NORDUNET) SINET/TRANSPAC) (NASA/NISN/ SLAC USDOI) KANSAS CITY DENVER ASIA-PACIFIC JLAB (SINET) ORNL NASHVILLE AUSTRALIA ALBUQUERQUE EUROPE (AARnet) (GÉANT) ATLANTA LATIN AMERICA (AMPATH/CLARA) El PASO LATIN AMERICA US R&E (CLARA/CUDI) (DREN/Internet2/ NISN) HOUSTON Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Programmability Site Domain OpenFlow Controller OF protocol WAN WAN Virtual Switch Domain Expose ‘flow’ programming interface leveraging standard OF protocol Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science “Programmable” by end-sites Program flows: Science Flow1: Science Flow2: Science Flow3: WAN Virtual Switch App App 1 2 App App 1 2 OF Ctrl. OF Ctrl. Multi-Domain Wide Area Network Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Many collaborations, Many Virtual Switches WAN Virtual Switch WANWAN Virtual Virtual Switch Switch WAN Virtual Switch WAN Virtual Switch Multi-Domain Wide Area Network Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science SRS Demonstration Physical Topology Ciena 5410 @BNL @Ciena booth @ANL DTNs SRS Brocade @SCinet OSCARS virtual circuits NEC IP8800 @ LBL DTNs: Data Transfer Nodes Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Virtual Switch Implementation: Mapping abstract model to the physical Create Virtual switch: • Specify edge OF ports • Specify backplane topology and SRS Virtual Switch bandwidth • Policy constraints like flowspace • Store the switch into a topology Virtual A B C D service Physical C B OF Switch OF Switch A OF Switch OF Switch D Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science WAN Virtual Switch: Deploying it as a service App 1 App 2 Policy/Isolation of OF customer OF End-site Customer Flowvisor OF controller control OF OpenFlow API Virtual Switch Virtual Switch Application Software stack Virtual SW OSCARS Controller Client Infrastructure OF OSCARS API Software, Slicing Network Flowvisor OSCARS and provisioning OF OF Switch OF Switch Wide Area Network OF Switch OF Switch Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Example of ping across WAN virtual switch 3. Need to ARP 6. virtual-mac-addresses learned and mapped to real flow SRS Virtual Switch 4. ARP 2. Packet_in 5. ARP response H2 4. ARP 1. Ping H2 H1 OF Switch 7. flow_mod 8. Ping H2 OF Switch 8. Ping H2 OF Switch Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science What does this mean for networking? User OpenFlow SDN Controller Customer/User Control Plane Policy and Isolation Multi-domain Network WAN Virtual Switch Network Service Service Interface Programmable service provisioning plane Interface Legacy and OpenFlow control plane End-to-End Dataplane • Creation of a programmable network provisioning layer • Sits on top of the “network OS” Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Summary • Powerful network abstraction • Files / Storage • Benefits • Simplicity for the end-site • Works with off-the-shelf, open-source controller • Topology simplification • Generic code for the network provider • Virtual switch can be layered over optical, routed or switched network elements • OpenFlow support needed on edge devices only, core stays same • Programmability for applications • Allows end-sites to innovate and use the WAN effectively Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Future Work Harden the architecture and software implementation • Move from experiment to test service Verify scaling of the model • Using virtual machines, other emulation environments Automation and Intelligent provisioning • Work over multi-domain • Wizards for provisioning • Dynamic switch backplane Create recurring abstractions • Virtual switch in campus • How do we deal with a “network” of virtual switches Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Questions – please contact imonga at es.net www.es.net Thank you! Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science Computer virtualization Lawrence Berkeley National Laboratory U.S. Department of Energy | Office of Science .
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