Wimba and Open Source · Wimba and the Community Examples Miscellaneous Round 1 Round 2 Round 3...

Acronym FunWimba and the Community

ExamplesMiscellaneous

Wimba and Open SourceHow we collaborate with the community

Peter Grayson

Wimba Connect, 2008

Peter Grayson Wimba and Open Source

Outline

1 Acronym Fun

2 Wimba and the Community

3 Examples

Round 1Round 2Round 3

Figure: A GNU

GNU's Not UNIX

• Recursive acronym; very geeky

• The GNU project aims to create a freeUNIX-like operating system

• GNU/Linux for the pedantic

Figure: A GNU

GNU's Not UNIX

Figure: A GNU

GNU's Not UNIX

Figure: A GNU

GNU's Not UNIX

Figure: A GNU

GNU's Not UNIX

Figure: A GNU

GNU's Not UNIX

Figure: BSD Demon

Berkeley Software Distribution

• A permissive software licence

• A UNIX operating system

• West-coast heart of open source

Figure: BSD Demon

Figure: RMS

Richard M. Stallman

• GNU project

• Free software movement

• Free software as a human right

frms =

√√√√√ 1

T2 − T1·T2�

[f (t)]2 dt

Figure: rms

Figure: RMS

Richard M. Stallman

• GNU project

Figure: RMS

Richard M. Stallman

• GNU project

Figure: RMS

Richard M. Stallman

• GNU project

Figure: RMS

Richard M. Stallman

• GNU project

Figure: RMS

Richard M. Stallman

• GNU project

Figure: RMS

Richard M. Stallman

• GNU project

Figure: GPL Logo

(GNU) General Public License

• Most widely used open source license

• Permits study, modi�cation, andredistribution

• Original �copyleft� license

• Derivative works must use same license

• Viral or guarantee of freedom?

Figure: GPL Logo

Figure: FSF Logo

Free Software Foundation

• Founded by RMS

• Promotes free software

• GNU project and GPL license

Figure: FSF Logo

• Founded by RMS

Figure: FSF Logo

• Founded by RMS

Figure: FSF Logo

• Founded by RMS

Figure: FSF Logo

• Founded by RMS

Figure: FSF Logo

• Founded by RMS

Figure: OSI Logo

Open Source Initiative

• Parallel mission to FSF

• Stresses pragmatic bene�ts of opensource software

• Open Source De�nition

• Approved licenses

Figure: OSI Logo

Figure: ESR

Eric S. Raymond

• Founder of OSI

• �The Cathedral and the Bazaar�

Cathedral software developed in private,select participants

Bazaar publicly developed, lots ofparticipants

• Greatly in�uenced softwaredevelopment

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: ESR

Eric S. Raymond

• Founder of OSI

Figure: BP

Bruce Perens

• Co-founder of OSI

• Former Debian leader

• Advocates open source ascommercially viable

Figure: BP?

Figure: BP

Bruce Perens

Figure: BP

Bruce Perens

Figure: BP

Bruce Perens

Figure: BP

Bruce Perens

Figure: BP

Bruce Perens

Figure: BP

Bruce Perens

F/OSS?

Figure: F/OSS?

Free and Open SourceSoftware

• Generic term

• a.k.a. Free Libre andOpen Source Software(FLOSS)

• Sidesteps the �free� vs.�open� holy war

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

F/OSS?

Figure: F/OSS?

• Generic term

Acronym Signi�canceWimba and F/OSSF/OSS and Education

WIMBA?

Figure: WIMBA

Wimba Isn't My Best Acronym

• Why do these acronyms matter?

• What is Wimba's relationship with theF/OSS community?

• How does Wimba and F/OSS relate toeducation?

WIMBA?

Figure: WIMBA

WIMBA?

Figure: WIMBA

WIMBA?

Figure: WIMBA

WIMBA?

Figure: WIMBA

WIMBA?

Figure: WIMBA

Why do these acronyms matter?

They de�ne the landscape!

• Wimba uses GPL, LGPL, BSD, and other open source licenses

• ESR identi�ed the development model

• BP identi�ed the business model

What is Wimba's relationship to F/OSS?

Symbiotic

• Development teams use innumerable F/OSS tools

• Products deployed on GNU/Linux operating systems

• Dozens of open source software packages in our products

• Contribute source code, testing, and leadership

Symbiotic

Do you F/OSS?

F/OSS Used by Everyone

• Firefox

• Mac OS X (Darwin)

• Audacity

• Bittorrent

Not so obvious F/OSS

• Windows(BSD networking)

• Apache

• Tomcat

• Sendmail

Do you F/OSS?

• Firefox

• Audacity

• Bittorrent

• Apache

• Tomcat

• Sendmail

Do you F/OSS?

• Firefox

• Audacity

• Bittorrent

• Apache

• Tomcat

• Sendmail

F/OSS in Wimba Products

F/OSS Tools in WimbaProducts

• Apache

• Java

• Perl

And these too

• CentOS

• Tomcat

• Postgres

• ...

• Apache

• Java

• Perl

And these too

• CentOS

• Tomcat

• Postgres

• ...

• Apache

• Java

• Perl

And these too

• CentOS

• Tomcat

• Postgres

• ...

Active Participation

• Asterisk

• PortAudio

• Psi

• TightVNC

• Speex

Wimba Led

• iaxclient

• app_conference

• libvidcap

• JSpeex

• Sakai integration

• Moodle integration

Active Participation

• Asterisk

• PortAudio

• Psi

• TightVNC

• Speex

Wimba Led

• iaxclient

• app_conference

• libvidcap

• JSpeex

• Sakai integration

• Moodle integration

How does Wimba and F/OSS relate to education?

Collaboration!

• We borrow, so we share

• Participation makes software better for everyone

• Just like in higher education

Collaboration!

How else does F/OSS help our clients?

Pragmatic Concerns

• Responsiveness

• Quality

• Avoids lock-in

Pragmatic Concerns

• Responsiveness

• Quality

• Avoids lock-in

Pragmatic Concerns

• Responsiveness

• Quality

• Avoids lock-in

Moodle and SakaiVideo Solution

Moodle and Sakai

• Popular open source Course Management Systems (CMS)

• Wimba provides open source integration plug-ins

• Moodle fully supported

• Both in active development

Moodle and Sakai

Wimba's Video Solution

In the beginning...

• ... we used Real Video

• Solved the problem

• Worked reasonably well

Problems

• Could not use formultiway video

• Real was unresponsive

• Wimba could not makeany changes

In the beginning...

Problems

In the beginning...

Problems

In the beginning...

Problems

In the beginning...

Problems

In the beginning...

Problems

In the beginning...

Problems

In the beginning...

Problems

Wimba's Video Solution(the next generation)

Next Gen Video

• Considered H.264

• Hot codec

• Di�cult to license

Solution: Theora

• Open Source

• Not patent-encumbered

• High quality codec

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Next Gen Video

• Hot codec

Solution: Theora

• Open Source

Wimba Video and F/OSS

Contributions to F/OSS

• Video support in Asterisk and app_conference

• Video support in iaxclient

• New cross-platform video capture library: libvidcap

This presentation brought to you by...

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Questions?

Wimba and Open Source · Wimba and the Community Examples Miscellaneous Round 1 Round 2 Round 3...

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