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User Needs in the Cloud: Understanding and Navigating Cloud Hosting Solutions

Explore the evolution from virtual server hosting to cloud services, assess user needs, and examine the transition to tailored cloud hosting. Delve into Arnes' virtual server hosting (VPS) offerings, then journey through the implementation and future plans for Arnes Clouds 2011. Gain insights on resource allocation, planning, legal considerations, and best practices to optimize cloud usage. Join the discussion on navigating the cloud landscape and ensuring user satisfaction.

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User Needs in the Cloud: Understanding and Navigating Cloud Hosting Solutions

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  1. User‘s Needs in theCloud Tomi Dolenc Jernej Porenta Arnes info@arnes.si TF-MSP, Heraklion 19-20. 9.2011

  2. Outline • Before: virtualserverhosting • After: „clouds“ • How & why • User‘s needs • Is our judgement clouded? • Relation towards commercial clouds

  3. Virtualserverhosting @ Arnes • “Guest virtual servers” - GVS • Typical VPS • Linux/Apache/MySQL stack • 1 CPU / 512Mb / 30GB • Packages: full (root access), partial (user access), closed (web based access) • (Virtuozzo, ~100 VPS/server) • Coverstypicalneedsofuserorganizations: • Website (CMS) • LMS (mostlyforschools) • Any other web based apps • Support: • Helpdesk 10/5 • Full VPS backup

  4. Extendedneeds • More disk space • More memory • Different platform (MS Windows) • Example: • Specific software • Digital archives

  5. Arnes clouds 2011 • Goal: enable tailored hosting for VIU + beyond • Project started late 2010 • Planned features • VM Hosting • Storage

  6. Arnes clouds 2011: VM hosting • Solutions tested • OpenNebula • Eucalyptus • Ganeti • Planned: • 10 physical servers • small/medium/large VM • total user control

  7. Arnes clouds 2011: VM hosting • Implemented – pilot phase: • 3 physical servers (will extend to 10) • Ganeti • Web managed VMs • Production: late 2011

  8. Arnes clouds 2011: Storage • Started Q2 2011 • Planned: iSCSI access to >1TB space • Pilot phase: • Started in May • Tests were OK • Production: October 2011

  9. Future • Translate to “true cloud” • Implementation: OpenStack • Dynamic provisioning • Advanced user needs: • Temporary computing power • API interface

  10. Future • Extend resources • Additional physical servers • Additional storage • Additional features • Predefined templates • Extended support (?) • Use private cloud for our needs

  11. Is ourjudgementclouded? • Going “cloud” looks appealing • First step not difficult • Marketing the buzz • Keeping with the IT development trends • Who needs it? • ROI? • Legal aspect?

  12. Assesment of user‘s needs • Only through selected interviews/personal contact • Users interested in anything that’s free • Very important: know & trust your provider • Feedback from the pilot: • Happy with the support • Want more (sky’s the limit)

  13. Resource allocation • No charges  Policy very important! • Internal user segmentation • Save enough for VIU needs • Maintain the helpful face • Will they use flexible CPU/storage (“true cloud”)?

  14. Planning the resources • Make sure the € is well spent • Flexible resource allocation • Add more as you go and let users ask for your € • Plan B: share/relocate to grid/HPC • (can consume pretty much everything)

  15. Legal aspect • Hosting personal data  Signing MxN contracts? • Our Information Officer is currently looking into European practices, we are trying to find how it works in reality • What’s your model?

  16. MITM to public clouds • Universities outsource email to the cloud (only students) • Google & MS not very interested in us • Universities slow in adopting AAI • VDI for schools? • Tempting but expensive • Companies reluctant to partner with NREN

  17. Yourexperienceor good/badpractice? (CC) Blackandecker/Flickr.

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