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Report of the CERN LHCONE Workshop May 2013

Report of the CERN LHCONE Workshop May 2013. Lars Fischer LHCONE Meeting Paris, 17-18 June 2013. LHCONE Activities. “Interface with the LHC software stacks”. 6. ESnet / USLHCNet. 2. SARA/ SURFnet. 1. DANTE. 3. Internet2. 4. NORDUnet SURFnet. 5. Internet2/ DANTE. “Carrier

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Report of the CERN LHCONE Workshop May 2013

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  1. Report of the CERN LHCONE WorkshopMay 2013 Lars FischerLHCONE Meeting Paris, 17-18 June 2013

  2. LHCONE Activities “Interface with the LHC software stacks” 6. ESnet/USLHCNet 2. SARA/ SURFnet 1. DANTE 3. Internet2 4. NORDUnet SURFnet 5. Internet2/ DANTE “Carrier Ethernet/ OAM/ TRILL” “VRF” “Diagnostics” “NSI” “OpenFlow” Innovation Fix it Result of the LHCONE meeting in Amsterdam, December 1&2, 2011

  3. LHCONE Activities “Interface with the LHC software stacks” 6. ESnet/USLHCNet 2. SARA/ SURFnet 1. DANTE 3. Internet2 4. NORDUnet SURFnet 5. Internet2/ DANTE “Carrier Ethernet/ OAM/ TRILL” “VRF” “Diagnostics” “NSI” “OpenFlow” Innovation Fix it Result of the LHCONE meeting in Amsterdam, December 1&2, 2011

  4. Network-aware Application • Objective of Experiments is to treat networks as just another schedule-able resource (like CPU, Storage, etc) • Require applications to be network-aware at many levels • Require networks to deliver not only schedulable capacity, but also information about available resources, performance, etc • Bigger topic than P2P and BoD • BoD and NSI remains a critical component • The key requirement is still “predictable delivery of bulk data” • … but applications want to be able to predict properties of network resources ahead of time • Monitoring is of growing importance and need more attention • It’s not about contracts and SLAs • … it’s about being able to create applications that understand the network and can take network properties into account, in an interactive manner.

  5. Related topics • CDN • Is what we need actually a CDN? Can existing CDN solutions do the job? • Can CDN solutions handle the two-way nature of LHCONE, or is the focus too much on one-way bulk transfer • IETF ALTO (Application-Layer Traffic Optimization) • RFC 5693, RFC 6708 • Draft protocol, May 20 2013 (exp. 21 Nov 13) • “... provide applications with information to perform better-than-random initial peer selection…” • There appears to be mission overlap • Requirements • We still have some way to go • An interactive process is needed • We need to take practical steps to accomplish this

  6. Trial • Objective: to provide feedback to understanding of requirements • Be part of interactive process of requirement definition • Idea for setup • Static mesh of low capacity, controlled by NSI2.0 • Use NSI change request to ramp bandwidth up and down and traffic is changing • Use Open Exchanges as core components • Use experimental circuits between OLEs as key resource for the experiments • Use phedex or similar to do the callout to manage capacity • Scale • Small number of sites • Sites interested in participating, with resources to deploy end to end • Objective is not the service for those sites, but what we learn doing it

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