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What does Open Source Mean for HDF ?. Mike Folk The HDF Group July 2012. About HDF. What is HDF?. A data model Structures for data organization and specification Open file format Designed for high volume or complex data Open source software Works with data in the format

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what does open source mean for hdf

What does Open Source Mean for HDF?

Mike Folk

The HDF Group

July 2012

ESIP Summer Meeting 2012

about hdf

About HDF

ESIP Summer Meeting 2012

what is hdf
What is HDF?
  • A data model
    • Structures for data organization and specification
  • Open file format
    • Designed for high volume or complex data
  • Open source software
    • Works with data in the format

Today we just focus on software

ESIP Summer Meeting 2012

hdf4 or hdf5

HDF4 or HDF5?

Both

ESIP Summer Meeting 2012

the hdf group
The HDF Group
  • At U of Illinois NCSA 1988-2006
  • Non-profit company since 2006
  • About 35 staff and $3.5M in revenues

ESIP Summer Meeting 2012

mission of the hdf group
Mission of The HDF Group
  • To provide the highest quality software for managing large complex data sets
  • To provide outstanding services for users of HDF technologies
  • To insure long-term access and usability of data that is stored using HDF technologies

ESIP Summer Meeting 2012

hdf communities
HDF Communities
  • Academia, government, commercial
  • All applications involving complex or big data
  • Users range from highly proficient software developers to naïve end users.

ESIP Summer Meeting 2012

what we do
What we do
  • Support some large diverse projects, such as EOS and JPSS
    • Whatever they need
  • Work for hire
    • Training, consulting
    • Development of HDF core software
  • General maintenance, QA and support

ESIP Summer Meeting 2012

distribution of revenues by sector
Distribution of revenues by sector

ESIP Summer Meeting 2012

what does oss mean for hdf

What does OSS mean for HDF

ESIP Summer Meeting 2012

history of hdf as oss
History of HDF as OSS
  • Why HDF became FOSS
    • Default
  • Why HDF stayed FOSS despite objections
    • Not very monetizable
    • Universal access to data
  • Why HDF should remain FOSS
    • HDF preservation mission
    • All of the above

ESIP Summer Meeting 2012

open technology development
Open Technology Development*

GOTS

COTS

OSS

Proprietary

OpenGOTS

CommunityMaintainedOSS

GatedSW

Community-Maintained:

ClosedGOTS

Single MaintainerOSS

Typical proprietarySW

SingleMaintainer:

* Based on slide 41 from “Open Source Software (OSS or FLOSS), the U.S. Department of Defense (DoD), and NASA,” David A Wheeler, NASA Open Source Summit, March 2011.

ESIP Summer Meeting 2012

intellectual property
Intellectual property
  • U of I original owner
  • Transferred to HDF Group for royalty on commercial profits
  • BSD license

ESIP Summer Meeting 2012

try before adopt
Try before adopt

ESIP Summer Meeting 2012

development activities are public
Development activities are public

ESIP Summer Meeting 2012

long term access
Long term access

ESIP Summer Meeting 2012

f requent development cycles are good
Frequent development cycles are good

ESIP Summer Meeting 2012

oss is easy to use
OSS is easy to use

ESIP Summer Meeting 2012

oss is low cost
OSS is Low cost

ESIP Summer Meeting 2012

oss business models
OSS business models

ESIP Summer Meeting 2012

what next

What next?

ESIP Summer Meeting 2012

better use of community
Better use of community!

ESIP Summer Meeting 2012

thank you

Thank you

[email protected]

ESIP Summer Meeting 2012

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