Best Practices for Cloud Provider Connectivity

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Presentation transcript:

Best Practices for Cloud Provider Connectivity for R&E Users Lars Fischer (with Erik-Jan Bos, David Foster, Josva Kleist) LHCOPN / LHCONE meeting Helsinki, 19-20 September 2016

Caveat This is not technical

The R&E Infra Landscape eScience Human Collaboration and Interactions Talent & Knowledge Observations Ideas Computation Instruments AAI Storage & Repositories The Network Bedrock

Human Collaboration and Interactions Storage & Repositories … moving to Clouds eScience Human Collaboration and Interactions Talent & Knowledge Observations Ideas Computation Instruments AAI Storage & Repositories The Network Bedrock

Providing network connectivity Cloud Challenge Integrating Diverse resource into a single infrastructure Commercial resources Providing network connectivity In support integration Using existing R&E network resources in a coherent way Procuring commercial resources with integration in mind

Reduce uncertainty By Our Purpose Of networking for cloud resources Of cloud resource tenders By Offering are reference model for connectivity Summarizing Best Practice Give guidelines for network providers Give guidance for cloud procurement

Best Practice – and other work We are not proposing new designs proposing new networks or functions offering complex middleware We are offering A way to think about cloud connectivity An approach to simplify policy issues A way to integrate commercial resources into existing networks Ongoing work at CERN, GÉANT, …

Reference Model

(Policy) Issue Breakdown End-to-end policy or business case is not useful Instead, consider separately Connecting a user institution, typically through an NREN, to an open exchange, Connecting a cloud provider (commercial or private) to an open exchange, Creating trunks between open exchanges.

Policy Policy 2 Policy 1 Policy 3 No e-2-e policy Policy 2*

Networking-by-OXP User A NREN B NREN A CPE CPE Resource Control plane

Cloud Providers <-> OXP How We Do It User <-> OXP Traditional NREN business Cloud Providers <-> OXP Cloud provider private network NREN Layer 2.5 NREN Layer 3 Inter-exchange bandwidth Business of regional, continent, or trans-oceanic networks None of this is new

Cost Sharing Part of procurement Traditional NREN business Traditional RREN Business Part of procurement

Caveats Policy may get in the way For some users Local or transit network ... but we keep it localized Allow for Cloud <-> Researcher traffic Links and networks used Allow for Cloud <-> Cloud traffic On behalf of research OXPs and any links used to connect commercial cloud providers Peering with a cloud providers essential For R&E network users Transit between R&E networks

Most OXPs are self supporting (port charges) Business Case Most OXPs are self supporting (port charges) Connection Cloud Provider to OXP Should be part of procurement and service delivery Can often happen at major hubs OXP interconnect is No different then inter-NREN traffic A challenge already solved and cost-shared Understood Inter- and intra-continentally

Global OXPs, Global Networks

Use the Reference Model for cloud connectivity Recommendations Use the Reference Model for cloud connectivity Always connect through OXPs Establish Cloud Provider connections at OXPs Apply to Cloud service procurements Build intra- and inter-continent with inter-OXP connectivity in mind Adapt policies where needed

Procurement Boilerplate Next Step Procurement Boilerplate Establish specific recommendations for cloud procurements Publish boilerplate for tenders etc. GÉANT is ideally positioned to do this Continue work on advanced cloud use-cases IP routing and addressing High-quality cloud connectivity

Best Practices for Cloud Provider Connectivity for R&E Users Thanks! Best Practices for Cloud Provider Connectivity for R&E Users Bos, Fischer, Foster, Kleist https://goo.gl/MtFSx7 (also as CERN-IT-Note-2016-008, https://cds.cern.ch/record/2216466) lars@nordu.net