FleSSR HE Clouds


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A short presentation on community clouds in higher education given by Matt Johnson, Head of Research at Eduserv. Presented at Internet World 2011 on 11th May.

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FleSSR HE Clouds

  1. 1. Building on FleSSR<br />Community Clouds for Higher Education<br />Matt Johnson, Head of Research<br />
  2. 2. Which Cloud model is best suited for HE?<br />
  3. 3. The problem with “Pay-as-you-go” Clouds:<br />Great for commercial services…<br />Ad-supported websites, SaaS applications, etc.;<br />On-demand Cloud pricing matched by increased site revenues;<br />…Less so for “non-profit” services<br />Sites likely to be information-based & non-revenue generating;<br />Often funded by fixed budgets with limited flexibility;<br />Variable Cloud pricing becomes an unacceptable risk<br />
  4. 4. Which Cloud Deployment Model(s) for HE?<br />
  5. 5. Which Cloud Service Models for HE?<br />1. Infrastructure as a Service<br />Server provisioning<br />Scalable storage<br />Lower costs<br />2. Platform as a Service<br />Bespoke development<br />Research<br />3. Software as a Service<br />Standard “utility” services<br />Significant cost savings<br />4. Managed Services<br />24x7 Support<br />Outsourced services<br />All of the above!<br />
  6. 6. A solution: Community Clouds<br />Security<br />Infrastructure is used only by like-minded organisations<br />Server / storage infrastructure remains in UK borders<br />Can integrate with the UK Access Federation<br />Flexibility<br />Pricing/service models tailored to academic requirements<br />Shared investment in infrastructure and support<br />Setup costs can be mitigated via trusted providers<br />
  7. 7. The FleSSR Project<br />
  8. 8. Flexible Services for the Support of Research <br />Hybrid Private-Community Cloud pilot service<br />Rapid innovation and prototyping approach<br />Multiple use cases across institutions<br />Will deliver both technical and business outputs<br />Commenced September 2010, reports July 2011<br />Overview<br />
  9. 9. FleSSR: Technical Architecture<br />Eduserv<br />STFC<br />University of Reading<br />University of Oxford<br />Storage Pilot<br />Compute Pilot<br />
  10. 10. Prove the technical capability<br />Hybrid Clouds do offer the required flexibility…<br />…but it’s not all plain sailing!<br />Prove the business case:<br />Is there a demand for HE Community/Hybrid Clouds…<br />…and are they economically viable?<br />FleSSR: Initial findings<br />
  11. 11. Why compete?<br />
  12. 12. Public Cloud – Business considerations<br />Data security<br />Lingering doubts over Patriot Act / Safe Harbour laws<br />No access for physical audits<br />Commercial<br />Lack of flexibility in procurement/payment models<br />Lack of trust in longevity of commercial providers<br />Service Levels<br />Lack of flexibility and accountability<br />Guarantees on availability, not durability<br />
  13. 13. Public Cloud – Technical considerations<br />Infrastructure<br />Unknown segregation of customers within the Cloud<br />“Hidden” costs such as I/O throughput and bandwidth<br />Connectivity<br />Network transfer can be expensive<br />Lack of JANET connectivity<br />
  14. 14. The Community Cloud approach<br />To deliver a Cloud service focussed on education<br />Customised service & pricing models<br />Fully UK-based infrastructure<br />To build on sector infrastructure<br />JANET network, UK Access Federation<br />Long-term planning and stability<br />BUT… what about costs?<br />
  15. 15. Storage Economics<br />
  16. 16. AWS Simple Storage Service (S3) – key features<br />99.999999999% (“eleven 9’s”) durability<br />Files are stored across 3 devices<br />Copy-on-Write protection<br />Regular analysis of stored data integrity<br />99.99% availability<br />Clustered front-end API access<br />Multiple availability zones<br />
  17. 17. AWS S3 – assumed storage architecture<br />Storage service<br />Commodity mass storage servers<br />no RAID within storage units<br />Resilience derived from replicated copies of data<br />Suggests that 30% of raw storage is usable<br />~90% storage efficiency per single storage device<br />Data is stored across 3 separate devices (90% / 3) = 30%<br />
  18. 18. AWS S3 – pricing model (February 2011)<br />Amazon pricing model reflects its infrastructure costs:<br />Data stored: disks, storage servers;<br />Network usage: bandwidth and Internet transit;<br />Requests: front-end web/API servers;<br />Sliding-scale pricing<br />Data stored: $0.14 p/GB to $0.055 p/GB<br />Network usage: $0.15 p/GB to $0.08 p/GB<br />Requests: $0.01 per 1,000 writes, $0.01 per 10,000 reads<br />
  19. 19. AWS S3 – price example (for 1 TB of data)<br />Assumes an upload of full dataset at start of year<br />Includes updates (uploads) of 1% stored per month<br />Includes usage (downloads) of 1% stored per month<br />Assumes a 1 MB average file size<br />Assumes EU (Dublin) datacentre<br />Pricing calculated February 2011<br />
  20. 20. AWS S3 – price example (for 1 TB of data)<br />Data stored: $1,720 p/a <br />Network usage: $130.56 p/a<br />1 TB upload of dataset: $102.36<br />1% of 1 TB (p/m) change: $28.20 p/a<br />Request volumes: $11.32 p/a<br />1.12m writes: $11.20<br />0.12m reads: $0.12<br />TOTAL: $1,861.88 p/a (~ £1,160)<br />
  21. 21. Possible FleSSR Cloud storage infrastructure<br />Broadberry 4U Storage Server<br />95 TB “raw” storage for $30,000 (assume 3-year lifespan)<br />Annual costs: $5,000<br />Power (PUE of 2.0): 35c per hour, $3,000 p/a<br />Support costs: $2,000 p/a<br />Three-year costs: $45,000 for 95 TB <br />$160 per “raw” TB per year<br />$530 per “usable” TB per year<br />
  22. 22. Comparison of storage pricing<br />
  23. 23. What’s not included in the FleSSR example?<br />Overheads (firewalls, routers, security)<br />Would be factored across storage and compute usage<br />Shared services offer economies of scale<br />Management software<br />Amazon have invested significantly in this area…<br />…but OpenStack Storage is OSS and production-ready<br />Sales/marketing/training overheads<br />When did you last speak to an AWS salesman?<br />
  24. 24. Conclusions<br />Amazon have a great business model…<br />First-mover advantage, economies of scale, high margins<br />…But there is a justified case for academic storage services<br />Specific requirements and integration with existing HE services<br />Potential for flexible business models<br />Costs can be comparable with S3<br />We anticipate similar findings around compute services<br />
  25. 25. Thank you!<br />Matt Johnson<br />Head of Research<br /> email: Matt.Johnson@eduserv.org.uk<br /> twitter: @mhj_work<br /> web: http://blog.eduserv.org.uk/<br />Slideshare: http://www.slideshare.net/eduserv/<br />