Robots and Water and Whales, Oh my!

James Gosling, the Father of Java, talks about his new role as a software engineer for Liquid Robotics.

Transcript

1. Robots and Water and Whales, Oh my! James Gosling http://liquidr.com
2. Why? We’re critically dependent on the ocean But what data we have is sparse and expensive What if we could make the data dense and cheap? Eg. Predict hurricanes and tsunamis early and accurately?
3. Genesis 2005: Roger Hine, Derek Hine and Joe Rizzi RC car for the ocean to listen to whales http://www.jupiterfoundation.org
4. Not your typical robot ?
5. Harvest Thrust from Waves
6. Waves go Up
7. Waves go Down
8. Solar Cells
9. Solar Cells The only actuator
10. Exotic Materials Everywhere
11. Wires
12. Iridium satellite communication (GSM if close to shore)
13. Iridium satellite communication (GSM if close to shore) 1$/kilobyte!
14. Not a big data problem (1TB costs $109)
15. Timeliness Continuous operation
16. Free propulsion + Ruggedness + Solar = Long Duration
17. What do you do with them?
18. The weather buoy that installs itself
19. Oil & Gas
20. Pollution Monitoring
21. Marine Mammal Monitoring
22. Picket Fence around Marine Sanctuaries
23. Global Warming Studies
24. Fish Seafloor Sensors UAVs
25. They’re really tough:
26. High Seas
27. Sharks!
32. PacX challenge: 4 Wave Gliders, one ocean, public data. http://pacxdata.liquidr.com (over 140 gliders have been built)
33. Demo
34. Streaming Telemetry
35. R<1 V>0 R>V
36. No Rocket Science Roughly a lightweight, specialized, non-EE, JMS-ish thing Very Simple Tried-and-true techniques Optimized for small things that flow Every chunk individually authenticated Not trying to be general purpose The real key to simplicity.
37. Not a Big Data Problem ($1/KB)
38. But Reliability is Critical
39. As is Authentication
40. Data model is Simple: Bag of Bytes + TimeStamp
41. There are nodes
42. They contain data
43. They contain data
44. They publish
45. They Subscribe
46. They Subscribe
47. They Subscribe Interests Authenticaton
48. They Chat
49. They Mesh
50. They Mesh
51. Viral Video Echo Cancellation
52. Viral Video Echo Cancellation Seen That, Boring!
53. Viral Video Echo Cancellation Seen That, Boring!
54. Span Datacenters & ISPs JElastic Entic GoGrid Use no ISP special APIs
55. Paranoid apps do multiple subscriptions
56. App Paranoid apps do multiple subscriptions
57. A Cluster is a Node
58. A Cluster is a Node
59. Cluster-to-Cluster links With filters Useful for • Sharding • Delivering to customer private datacenters • Jurisdictions (eg. Taxes)
60. Cluster-to-Cluster links With filters Useful for • Sharding • Delivering to customer private datacenters • Jurisdictions (eg. Taxes)
61. Retroactivity WTF? Screwups are always realized after the fact Never damage the data Computations are always a cache Metadata has timestamps too And they’re mutable!!
62. Authentication OpenAM/OpenDS for users & groups Fine grained access requirements: every sensor of every craft by time interval for every sample Data delivered if subscriber meets requirements and is interested
63. Thanks!