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Chuck Neerdaels VP of Storage and Edge Services Y! Scalable Storage and Delivery Service
Cloud Storage & Edge Services Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
CS&E cont. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Typical Use Cases User Data and Preferences Image/Video Storage & Delivery RSS Feeds Caching, Load Balancing
A Quick Demo…
more cute puppy photos
Want a real demo?  Sports.yahoo.com Travel.yahoo.com Finance.yahoo.com Mail.yahoo.com News.yahoo.com *.yahoo.com
Infrastructure and Platform Service Reality ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
But what if they didn’t… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Yahoo! sites would become stale, boring, slow, non-profitable, or non-existent
What Makes an On-line Cloud Service at Y!… Global
Internal Expectations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Common Challenges ,[object Object],[object Object],[object Object],[object Object],[object Object]
A Little More Detail: MObStor & Sherpa
MObStor: Blowing Through the Cloudiness Global Servers Caching Protocol Termination Authentication Content Routing Local Servers Auto Expiration De-duplication Object Placement Re-replication
MObStor: Trying to Increase 9’s DNS GSLB Hardware VIP Scalable Session  Manager Internal DNS with Load Feedback Hardware VIP Local Replication Global Replication Separate Metadata Replication
Sherpa/PNUTs
Sherpa/PNUTs DNS GSLB Hardware VIP Scalable Router & Session Manager Consistency vs. Availability Knobs Local Replication Global Replication Ordered Messaging
Physics and Economics for a Global Cloud…
What’s your target SLA? 0  Distance between producer/consumer *Illustrative, and not intended to portray reality Latency Speed of light + network degradation
What’s your budget? Latency Replication Costs *Illustrative, and not intended to portray reality $$$ $
Lessons Learned ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Why would any of you care about a Y! proprietary cloud?
Committed to Open Source ,[object Object],[object Object],[object Object],[object Object]
[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Questions? Y! Scalable Storage and Delivery Service

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Yahoo! Scalable Storage and Delivery Services

  • 1. Chuck Neerdaels VP of Storage and Edge Services Y! Scalable Storage and Delivery Service
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  • 4. Typical Use Cases User Data and Preferences Image/Video Storage & Delivery RSS Feeds Caching, Load Balancing
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  • 9. Want a real demo? Sports.yahoo.com Travel.yahoo.com Finance.yahoo.com Mail.yahoo.com News.yahoo.com *.yahoo.com
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  • 12. What Makes an On-line Cloud Service at Y!… Global
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  • 15. A Little More Detail: MObStor & Sherpa
  • 16. MObStor: Blowing Through the Cloudiness Global Servers Caching Protocol Termination Authentication Content Routing Local Servers Auto Expiration De-duplication Object Placement Re-replication
  • 17. MObStor: Trying to Increase 9’s DNS GSLB Hardware VIP Scalable Session Manager Internal DNS with Load Feedback Hardware VIP Local Replication Global Replication Separate Metadata Replication
  • 19. Sherpa/PNUTs DNS GSLB Hardware VIP Scalable Router & Session Manager Consistency vs. Availability Knobs Local Replication Global Replication Ordered Messaging
  • 20. Physics and Economics for a Global Cloud…
  • 21. What’s your target SLA? 0 Distance between producer/consumer *Illustrative, and not intended to portray reality Latency Speed of light + network degradation
  • 22. What’s your budget? Latency Replication Costs *Illustrative, and not intended to portray reality $$$ $
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  • 24. Why would any of you care about a Y! proprietary cloud?
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  • 27. Questions? Y! Scalable Storage and Delivery Service

Editor's Notes

  1. Online